2024

2023

Koo B, Weiland JD. Downstream Effects of Photoreceptor Degeneration and Electrical Retinal Stimulation on Visual Cortex Macrostructure and Function. 2023 11th International IEEE/EMBS Conference on Neural Engineering (NER)

Haji-Ghaffari D, Della Valle E, Patel PR, Richie J, Letner JG, Chestek CA, Weiland JD. Intraretinal stimulation with high density carbon fiber microelectrodes. 2023 11th International IEEE/EMBS Conference on Neural Engineering (NER)

KE Kish, SF Lempka, JD Weiland. Modeling extracellular stimulation of retinal ganglion cells: theoretical and practical aspects. Journal of Neural Engineering 20 (2), 026011

2022

Jeganathan VSE, Lin CE, Son H, Krishnagiri DS, Wei Y, Weiland JD: Integration of artificial vision with non-visual peripheral cues to guide mobility. 2022 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC). pp. 5136-5139

Koo B, Weiland JD: Progressive Retinal Degeneration Increases Cortical Response Latency of Light Stimulation but Not of Electric Stimulation. Trans. Vis. Sci. Tech. 2022 Apr 21; 11(4):19

Li W†, Haji Ghaffari D†, Misra R, Weiland JD: Retinal ganglion cell desensitization is mitigated by varying parameter constant excitation pulse trains. Front Cell Neurosci. 2022 Aug 12; 16:897146

Nadvar N, Stiles N, Choupan J, Patel V, Ameri H, Shi Y, Liu Z, Jonides J, Weiland J: Sight restoration reverses blindness-induced cross-modal functional connectivity changes between the visual and somatosensory cortex at rest. Front. Neurosci. 2022 Sept 23; 16:902866

Son H, Weiland J: Semantic Segmentation Optimized for Low Compute Embedded Devices. IEEE Access10, 96514-96525. (2022)

Whitsitt QA, Koo B, Celik ME, Evans BM, Weiland JD, Purcell EK: Spatial Transcriptomics as a Novel Approach to Redefine Electrical Stimulation Safety. Front. Neurosci. 2022 July 19; 16:937923

2021

Della Valle E, Koo B, Patel PR, Whitsitt Q, Purcell EK, Chestek CA, Weiland JD: Electrodeposited Platinum Iridium Enables Microstimulation With Carbon Fiber Electrodes. Front. Nanotechnol. 2021 Dec 2; 3: 782883.

Della Valle E, Welle EJ, Chestek CA, Weiland JD: Compositional and morphological properties of platinum-iridium electrodeposited on carbon fiber microelectrodes. Journal of Neural Engineering. 2021 Sep 13; 18(5):054001.

Huan Y, Gill JP, Fritzinger JB, Patel PR, Richie JM, Della Valle E, Weiland JD, Chestek CA, Chiel HJ: Carbon fiber electrodes for intracellular recording and stimulation. Journal of Neural Engineering. 2021 Dec 14; 18(6):066033.

Ghaffari DH, Akwaboah AD, Mirzakhalili E, Weiland JD: Real-Time Optimization of Retinal Ganglion Cell Spatial Activity in Response to Epiretinal Stimulation. IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 29, pp. 2733-2741, 2021 Dec

Ghaffari DH, Chang YC, Mirzakhalili E, Weiland JD: Closed-loop Optimization of Retinal Ganglion Cell Responses to Epiretinal Stimulation: A Computational Study. 10th International IEEE/EMBS Conference on Neural Engineering (NER), vol. 2021-May, pp. 597-600

Kish KE, Graham RD, Wong KY, Weiland JD: The effect of axon trajectory on retinal ganglion cell activation with epiretinal stimulation. 10th International IEEE/EMBS Conference on Neural Engineering (NER), vol. 2021-May, pp. 263–266

Son H, Weiland JD: Wearable system to guide crosswalk navigation for people with visual impairment. Frontiers in Electronics, 25.

Stiles NR, Patel VR, Weiland JD: Multisensory perception in Argus II retinal prosthesis patients: Leveraging auditory-visual mappings to enhance prosthesis outcomes. Vision Research, vol. 182, pp. 58-68, 2021 May 1

2020

Zhou M, Kang DH, Kim J, Weiland JD: Shape Morphable Hydrogel/Elastomer Bilayer for Implanted Retinal Electronics. Micromachines. 2020 Apr;11(4):392

Finn KE, Zander HJ, Graham RD, Lempka SF, Weiland JD: A Patient-Specific Computational Framework for the Argus II Implant. IEEE Open Journal of Engineering in Medicine and Biology. 2020 Jun 11;1:190-6

Ghaffari DH, Finn KE, Jeganathan VS, Patel U, Wuyyuru V, Roy A, Weiland JD: The effect of waveform asymmetry on perception with epiretinal prostheses. Journal of neural engineering. 2020 Jul 24;17(4):045009

Son H, Krishnagiri D, Jeganathan VS, Weiland JD: Crosswalk Guidance System for the Blind. In2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC) 2020 Jul 20 (pp. 3327-3330). IEEE.

2019

Chang YC, Ghaffari DH, Chow RH, Weiland JD: Stimulation strategies for selective activation of retinal ganglion cell soma and threshold reduction. J Neural Eng 16(2): 026017, 2019. PM30560810

Beyeler M, Nanduri D, Weiland JD, Rokem A, Boynton GM, Fine I: A model of ganglion axon pathways accounts for percepts elicited by retinal implants. Sci Rep 9(1): 9199, 2019. PM31235711

Della Valle E, Weiland JD: Simultaneous impedance measurements of the Utah electrodes array: A finite element method analysis. 2019 9th International IEEE/EMBS Conference on Neural Engineering (NER) 2019 Mar 20 (pp. 819-822). IEEE.

2018

Walston ST, Chow RH, Weiland JD: Direct measurement of bipolar cell responses to electrical stimulation in wholemount mouse retina. J Neural Eng 15(4): 046003, 01/2018. PM29513646

Gonzalez-Calle A, Brant R, Diniz B, Swenson S, Markland F, Humayun MS, Weiland JD: Disintegrin- Integrin Binding for Attachment of Polymer Substrate to the Retina. J Clin Exp Ophthalmol 9(5): 01/2018. PM30613435/PMC6319904

Koo B, Weiland J: Experimental factors effecting stability of Electrochemical Impedance Spectroscopy Measurements. Conf Proc IEEE Eng Med Biol Soc 2018: 2949-2952, 01/2018. PM30441018

Gregori NZ, Callaway NF, Hoeppner C, Yuan A, Rachitskaya A, Feuer W, Ameri H, Arevalo JF, Augustin AJ, Birch DG, Dagnelie G, Grisanti S, Davis JL, Hahn P, Handa JT, Ho AC, Huang SS, Humayun MS, Iezzi R Jr, Jayasundera KT, Kokame GT, Lam BL, Lim JI, Mandava N, Montezuma SR, Olmos de Koo L, Szurman P, Vajzovic L, Wiedemann P, Weiland J, Yan J, Zacks DN: Retinal Anatomy and Electrode Array Position in Retinitis Pigmentosa Patients After Argus II Implantation: An International Study. Am J Ophthalmol 193: 87-99, 01/2018. PM29940167/PMC6535141

Zhang ZH, Pan MX, Cai JT, Weiland JD, Chen K: Viscoelastic properties of the posterior eye of normal subjects, patients with age-related macular degeneration, and pigs. J Biomed Mater Res A 106(8): 2151- 2157, 01/2018. PM29582545

Mante N, Weiland JD: Visually Impaired Users can Locate and Grasp Objects Under the Guidance of Computer Vision and Non-Visual Feedback. Conf Proc IEEE Eng Med Biol Soc 2018: 1-4, 01/2018. PM30440276

Nimmagadda K, Weiland JD: Retinotopic Responses in the Visual Cortex Elicited by Epiretinal Electrical Stimulation in Normal and Retinal Degenerate Rats. Transl Vis Sci Technol 7(5): 33, 01/2018. PM30402340/PMC6213779

Curtis D. Lee, Eric M. Hudak, John J. Whalen III, Artin Petrossians, James D. Weiland: Low-Impedance, High Surface Area Pt-Ir Electrodeposited on
Cochlear Implant Electrodes Journal of the Electrochemical Society 165(12): G3015-G3017, 02/2018.

2017

Chang YC, Walston ST, Chow RH, Weiland JD: GCaMP expression in retinal ganglion cells characterized using a low-cost fundus imaging system. J Neural Eng 14(5): 056018, 01/2017. PM28930702

Walston ST, Chang YC, Weiland JD, Chow RH: Method to remove photoreceptors from whole mount retina in vitro. J Neurophysiol 118(5): 2763-2769, 01/2017. PM28855296/PMC5675901

Abdallah W, Li W, Weiland J, Humayun M, Ameri H: Implantation of multiple suprachoroidal electrode arrays in rabbits. J Curr Ophthalmol 30(1): 68-73, 01/2017. PM29564412/PMC5859463

Adebiyi A, Sorrentino P, Bohlool S, Zhang C, Arditti M, Goodrich G, Weiland JD: Assessment of feedback modalities for wearable visual AIDS in blind mobility PLoS ONE 12(2): 02/2017. PM2818273

2016

Cho A, Ratliff C, Sampath A, Weiland J: Changes in ganglion cell physiology during retinal degeneration influence excitability by prosthetic electrodes Journal of neural engineering 13(2): 25001, 02/2016. PM26905177

James D Weiland: Bioelectronic retinal prosthesis SPIE Defense+ Security 1: 98360T-98360T-8, 05/2016.

Ghodasra DH, Chen A, Arevalo JF, Birch DG, Branham K, Coley B, Dagnelie G, de Juan E, Devenyi RG, Dorn JD, Fisher A, Geruschat DR, Gregori NZ, Greenberg RJ, Hahn P, Ho AC, Howson A, Huang SS, Iezzi R, Khan N, Lam BL, Lim JI, Locke KG, Markowitz M, Ripley AM, Rankin M, Schimitzek H, Tripp F, Weiland JD, Yan J, Zacks DN, Jayasundera KT: Worldwide Argus II implantation: Recommendations to optimize patient outcomes BMC Ophthalmology 16(1): 05/2016. PM27154461

Yue L, Weiland JD, Roska B, Humayun MS: Retinal stimulation strategies to restore vision: Fundamentals and systems Progress in Retinal and Eye Research 53: 21-47, 07/2016. PM27238218

Wang B, Weiland JD: Analysis of the Peak Resistance Frequency Method IEEE Trans Biomed Eng 63 (10): 2086-2094, 10/2016. PM26700855

Chang YC, Walston ST, Chow RH, Weiland JD: In vivo characterization of genetic expression of virus- transduced calcium indicators in retinal ganglion cells using a low-cost funduscope 1316-1319, 10/2016. PM28261004

Gonzalez-Calle A, Weiland JD: Evaluation of effects of electrical stimulation in the retina with optical coherence tomography 6182-6185, 10/2016. PM28261012

Petrossians A, Whalen JJ, Weiland JD: Improved electrode material for deep brain stimulation 1798- 1801, 10/2016. PM28268677

Davuluri NS, Nimmagadda K, Petrossians A, Humayun MS, Weiland JD: Strategies to improve stimulation efficiency for retinal prostheses 3133-3138, 10/2016. PM28324979

2015

Yue L, Falabella P, Christopher P, Wuyyuru V, Dorn J, Schor P, Greenberg RJ, Weiland JD, Humayun MS: Ten-year follow-up of a blind patient chronically implanted with epiretinal prosthesis argus i Ophthalmology 122(12): 2545-2552e1, 01/2015. PM26386850

Xu L, Gutbrod SR, Ma Y, Petrossians A, Liu Y, Webb RC, Fan JA, Yang Z, Xu R, Whalen 3rd JJ, Weiland JD, Huang Y, Efimov IR, Rogers JA: Materials and fractal designs for 3D multifunctional integumentary membranes with capabilities in cardiac electrotherapy Advanced Materials 27(10): 1731-1737, 01/2015. PM25641076

Cunningham SI, Shi Y, Weiland JD, Falabella P, Olmos de Koo LC, Zacks DN, Tjan BS: Feasibility of Structural and Functional MRI Acquisition with Unpowered Implants in Argus II Retinal Prosthesis Patients: A Case Study. Transl Vis Sci Technol 4(6): 6, 01/2015. PM26693097/PMC4675319

Cunningham SI, Weiland JD, Bao P, Lopez-Jaime GR, Tjan BS: Correlation of vision loss with tactile- evoked V1 responses in retinitis pigmentosa Vision Research 111: 197-207, 06/2015. PM25449160

Boshuo Wang , Weiland JD: Resistivity profiles of wild-type, rd1, and rd10 mouse retina 1650-1653, 11
/2015. PM26736592

Walston ST, Chow RH, Weiland JD: Patch clamp recordings of retinal bipolar cells in response to extracellular electrical stimulation in wholemount mouse retina 3363-3366, 11/2015. PM26737013

Weitz AC, Nanduri D, Behrend MR, Gonzalez-Calle A, Greenberg RJ, Humayun MS, Chow RH, Weiland JD: Improving the spatial resolution of epiretinal implants by increasing stimulus pulse duration Science Translational Medicine 7(318): 12/2015. PM26676610

2014

Chen K, Weiland JD: Discovery of retinal elastin and its possible role in age-related macular degeneration Annals of Biomedical Engineering 42(3): 678-684, 01/2014. PM24232693

Weiland JD, Humayun MS: Retinal prosthesis IEEE Transactions on Biomedical Engineering 61(5): 1412- 1424, 01/2014. PM24710817

Weitz AC, Behrend MR, Ahuja AK, Christopher P, Wei J, Wuyyuru V, Patel U, Greenberg RJ, Humayun MS, Chow RH, Weiland JD: Interphase gap as a means to reduce electrical stimulation thresholds for epiretinal prostheses Journal of Neural Engineering 11(1): 02/2014. PM24654269

Chen K, Rowley AP, Weiland JD, Humayun MS: Elastic properties of human posterior eye Journal of Biomedical Materials Research – Part A 102(6): 2001-2007, 06/2014. PM23852923

Wang B, Petrossians A, Weiland JD: Reduction of edge effect on disk electrodes by optimized current waveform IEEE Transactions on Biomedical Engineering 61(8): 2254-2263, 08/2014. PM25051544

Davuluri NS, Weiland JD: Time-varying pulse trains limit retinal desensitization caused by continuous electrical stimulation Conference proceedings : IEEE Engineering in Medicine and Biology Society. Annual Conference 2014: 414-417, 08/2014. PM25569984

2013

Francis BA, Weiland JD, Sachs NA, Chang EL: Benzalkonium chloride-induced denervation of orbicularis oculi muscle in rabbits Investigative Ophthalmology and Visual Science 54(3): 1868-1872, 03/2013. PM23425696

Parikh N, Itti L, Humayun M, Weiland J: Performance of visually guided tasks using simulated prosthetic vision and saliency-based cues Journal of Neural Engineering 10(2): 04/2013. PM23449023

Chen K, Lo YK, Yang Z, Weiland JD, Humayun MS, Liu W: A system verification platform for high-density epiretinal prostheses IEEE Transactions on Biomedical Circuits and Systems 7(3): 326-337, 06/2013. PM23853332

Weitz AC, Behrend MR, Lee NS, Klein RL, Chiodo VA, Hauswirth WW, Humayun MS, Weiland JD, Chow RH: Imaging the response of the retina to electrical stimulation with genetically encoded calcium indicators Journal of Neurophysiology 109(7): 1979-1988, 06/2013. PM23343890

Chen K, Weiland JD: Relationship between vitreous temperature and posterior vitreous detachment Journal of the Mechanical Behavior of Biomedical Materials 26: 54-58, 10/2013. PM23816597

Monge M, Raj M, Nazari MH, Chang HC, Zhao Y, Weiland JD, Humayun MS, Tai YC, Emami A: A fully intraocular high-density self-calibrating epiretinal prosthesis IEEE Transactions on Biomedical Circuits and Systems 7(6): 747-760, 12/2013. PM24473540

2012

Nanduri D, Fine I, Horsager A, Boynton GM, Humayun MS, Greenberg RJ, Weiland JD: Frequency and amplitude modulation have different effects on the percepts elicited by retinal stimulation Investigative Ophthalmology and Visual Science 53(1): 205-214, 01/2012. PM22110084

Nayar VT, Weiland JD, Nelson CS, Hodge AM: Elastic and viscoelastic characterization of agar Journal of the Mechanical Behavior of Biomedical Materials 7: 60-68, 03/2012. PM22340685

Chen K, Weiland JD: Mechanical characteristics of the porcine retina in low temperatures Retina 32(4): 844-847, 04/2012. PM21811206

Weiland JD, Faraji B, Greenberg RJ, Humayun MS, Shellock FG: Assessment of MRI issues for the Argus II Retinal Prosthesis Magnetic Resonance Imaging 30(3): 382-389, 04/2012. PM22260934

Xie J, Wang GJ, Yow L, Humayun MS, Weiland JD, Cela CJ, Jadvar H, Lazzi G, Dhrami-Gavazi E, Tsang SH: Preservation of retinotopic map in retinal degeneration Experimental Eye Research 98(1): 88-96, 05
/2012. PM22685713

Cho AK, Sampath AP, Weiland JD: Physiological response of normal and RD mouse retinal ganglion cells to electrical stimulation. Conference proceedings : IEEE Engineering in Medicine and Biology Society. Conference 2012: 2985-2988, 08/2012. PM23366552

James D Weiland, Neha Parikh, Vivek Pradeep, Gerard Medioni: Smart image processing system for retinal prosthesis International IEEE Engineering in Medicine and Biology (EMBS) Conference 2012 3: 300-303, 08/2012.

Cho AK, Sampath AP, Weiland JD: Physiological response of mouse retinal ganglion cells to electrical stimulation: effect of soma size. Conference proceedings : … Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference 2011: 1081-1084, 11/2012. PM22254501

Petrossians A, Whalen JJ, Weiland JD, Mansfeld F: Electrodeposition of platinum-iridium alloy nanowires for hermetic packaging of microelectronics. Conference proceedings : .IEEE Engineering in Medicine and Biology Society. Conference 2012: 727-730, 12/2012. PM23365995

Wang B, Weiland JD: Reduction of current density at disk electrode periphery by shaping current pulse edges. Conference proceedings. IEEE Engineering in Medicine and Biology Society. Conference 2012: 5138-5141, 12/2012. PM23367085

Weiland JD, Parikh N, Pradeep V, Medioni G: Smart image processing system for retinal prosthesis. Conference proceedings : … Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference 2012: 300-303, 12/2012. PM23365889

Nayar VT, Weiland JD, Hodge AM: Macrocompression and nanoindentation of soft viscoelastic biological materials Tissue Engineering – Part C: Methods 18(12): 968-975, 12/2012. PM22656195

2011

Chen K, Weiland JD: Mechanical properties of orbital fat and its encapsulating connective tissue Journal of Biomechanical Engineering 133(6): 1-3, 06/2011. PM21744934

Eng JG, Agrawal RN, Tozer KR, Ross-Cisneros FN, Dagnelie G, Greenberg RJ, Chader GJ, Weiland JD, Rao NA, Sadun AA, Humayun MS: Morphometric analysis of optic nerves and retina from an end-stage retinitis pigmentosa patient with an implanted active epiretinal array Investigative Ophthalmology and Visual Science 52(7): 4610-4616, 06/2011. PM21296811

Chan LL, Lee EJ, Humayun MS, Weiland JD: Both electrical stimulation thresholds and SMI-32- immunoreactive retinal ganglion cell density correlate with age in s334ter line 3 rat retina Journal of Neurophysiology 105(6): 2687-2697, 06/2011. PM21411561

Xie J, Wang GJ, Yow L, J Cela C, Humayun MS, Weiland JD, Lazzi G, Jadvar H: Modeling and percept of transcorneal electrical stimulation in humans IEEE Transactions on Biomedical Engineering 58(7): 1932- 1939, 07/2011. PM20952323

Ray A, Lee EJ, Humayun MS, Weiland JD: Continuous electrical stimulation decreases retinal excitability but does not alter retinal morphology Journal of Neural Engineering 8(4): 08/2011. PM21775787

Weiland JD: Special issue containing contributions from the 39th Neural Interfaces Conference Journal of Neural Engineering 8(4): 1-2, 08/2011. PM21775784

Behrend MR, Ahuja AK, Humayun MS, Chow RH, Weiland JD: Resolution of the epiretinal prosthesis is not limited by electrode size IEEE Transactions on Neural Systems and Rehabilitation Engineering 19(4): 436-442, 08/2011. PM21511569

Weiland JD, Cho AK, Humayun MS: Retinal prostheses: Current clinical results and future needs Ophthalmology 118(11): 2227-2237, 11/2011. PM22047893

Ray A, Chan LL, Gonzalez A, Humayun MS, Weiland JD: Impedance as a method to sense proximity at the electrode-retina interface IEEE Transactions on Neural Systems and Rehabilitation Engineering 19(6): 696-699, 12/2011. PM21984523

Cunningham SI, Weiland JD, Bao P, Tjan BS: Visual cortex activation induced by tactile stimulation in late- blind individuals with retinitis pigmentosa. Conference proceedings : IEEE Engineering in Medicine and Biology Society. Conference 2011: 2841-2844, 12/2011. PM22254933

Petrossians A, Whalen 3rd JJ, Weiland JD, Mansfeld F: Surface modification of neural stimulating/recording electrodes with high surface area platinum-iridium alloy coatings. Conference proceedings :  Society. IEEE Engineering in Medicine and Biology Society. Conference 2011: 3001-3004, 12/2011. PM22254972

Weitz AC, Behrend MR, Humayun MS, Chow RH, Weiland JD: Interphase gap decreases electrical stimulation threshold of retinal ganglion cells. Conference proceedings : … Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference 2011: 6725-6728, 12/2011. PM22255882

2010

Parikh N, Itti L, Weiland J: Saliency-based image processing for retinal prostheses Journal of Neural Engineering 7(1): 1-10, 01/2010. PM20075505

Ray A, Sun GJ, Chan L, Grzywacz NM, Weiland J, Lee EJ: Morphological alterations in retinal neurons in the S334ter-line3 transgenic rat Cell and Tissue Research 339(3): 481-491, 03/2010. PM20127257

Chen K, Rowley AP, Weiland JD: Elastic properties of porcine ocular posterior soft tissues Journal of Biomedical Materials Research – Part A 93(2): 635-645, 05/2010. PM19591238

Chen K, Weiland JD: Anisotropic and inhomogeneous mechanical characteristics of the retina Journal of Biomechanics 43(7): 1417-1421, 05/2010. PM20116062

Chan LH, Ray A, Thomas BB, Humayun MS, Weiland JD: In vivo study of response threshold in retinal degenerate model at different degenerate stages Conf. Proc. IEEE Enginering in Medicine and Biology 2010: 1781-1784, 07/2010. PM19163026

Pradeep V, Medioni G, Weiland J: A wearable system for the visually impaired. Conference proceedings : IEEE Engineering in Medicine and Biology Society. Conference 2010: 6233-6236, 11/2010. PM21097167

2009

Ray A, Colodetti L, Weiland JD, Hinton DR, Humayun MS, Lee EJ: Immunocytochemical analysis of retinal neurons under electrical stimulation Brain Research 1255: 89-97, 02/2009. PM19103179

Horsager A, Greenwald SH, Weiland JD, Humayun MS, Greenberg RJ, McMahon MJ, Boynton GM, Fine I: Predicting visual sensitivity in retinal prosthesis patients Investigative Ophthalmology and Visual Science 50(4): 1483-1491, 04/2009. PM19098313

Behrend MR, Ahuja AK, Humayun MS, Weiland JD, Chow RH: Selective labeling of retinal ganglion cells with calcium indicators by retrograde loading in vitro Journal of Neuroscience Methods 179(2): 166-172, 05/2009. PM19428523

Ameri H, Ratanapakorn T, Ufer S, Eckhardt H, Humayun MS, Weiland JD: Toward a wide-field retinal prosthesis Journal of Neural Engineering 6(3): 035002, 06/2009. PM19458405

Chader GJ, Weiland J, Humayun MS: Artificial vision: needs, functioning, and testing of a retinal electronic prosthesis 317-332, 08/2009. PM19660665

Parikh NJ, McIntosh BP, Tanguay AR, Humayun MS, Weiland JD: Biomimetic image processing for retinal prostheses: peripheral saliency cues. Conference proceedings : … Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference 2009: 4569-4572, 09/2009. PM19963840

Basinger BC, Rowley AP, Chen K, Humayun MS, Weiland JD: Finite element modeling of retinal prosthesis mechanics Journal of Neural Engineering 6(5): 1-9, 10/2009. PM19721183

Weiland JD, Humayun MS, Eckhardt H, Ufer S, Laude L, Basinger B, Tai YC: A comparison of retinal prosthesis electrode array substrate materials. Conference proceedings :  IEEE Engineering in Medicine and Biology Society. Conference: 4140-4143, 12/2009. PM19963811

2008

Behrend MR, Ahuja AK, Weiland JD: Dynamic current density of the disk electrode double-layer IEEE Trans Biomed Eng 55(3): 1056-1062, 03/2008. PM18334397

Ahuja AK, Behrend MR, Whalen JJ, Humayun MS, Weiland JD: The dependence of spectral impedance on disc microelectrode radius IEEE Trans Biomed Eng 55(4): 1457-1460, 04/2008. PM18390340

Ahuja AK, Behrend MR, Kuroda M, Humayun MS, Weiland JD: An in vitro model of a retinal prosthesis IEEE Trans Biomed Eng 55(6): 1744-1753, 06/2008. PM18714839

de Balthasar C, Patel S, Roy A, Freda R, Greenwald S, Horsager A, Mahadevappa M, Yanai D, McMahon MJ, Humayun MS, Greenberg RJ, Weiland JD, Fine I: Factors affecting perceptual thresholds in epiretinal prostheses Ophthalmol. Vis. Sci. 49(6): 2303-2314, 06/2008. PM18515576

Nanduri D, Humayun MS, Greenberg RJ, McMahon MJ, Weiland JD: Retinal prosthesis phosphene shape Conference proceedings : … Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference 2008: 1785-1788, 08/2008. PM19163027

Singh V, Roy A, Castro R, McClure K, Dai R, Agrawal R, Greenberg RJ, Weiland JD, Humayun MS, Lazzi G: On the thermal elevation of a 60-electrode epiretinal prosthesis for the blind IEEE Transactions on Biomedical Circuits and Systems 2(4): 289-300, 12/2008. PM23853132

2007

Shah S, Hines A, Zhou D, Greenberg RJ, Humayun MS, Weiland JD: Electrical properties of retinal- electrode interface J Neural Eng 4(1): 03/2007. PM17325413

Dagnelie G, Keane P, Narla V, Yang L, Weiland J, Humayun M: Real and virtual mobility performance in simulated prosthetic vision J Neural Eng 4(1): 03/2007. PM17325421

Sachs NA, Chang EL, Vyas N, Sorensen BN, Weiland JD: Electrical stimulation of the paralyzed orbicularis oculi in rabbit IEEE Trans Neural Syst Rehabil Eng 15(1): 67-75, 03/2007. PM17436878

Yanai D, Weiland JD, Mahadevappa M, Greenberg RJ, Fine I, Humayun MS: Visual Performance Using a Retinal Prosthesis in Three Subjects With Retinitis Pigmentosa American Journal of Ophthalmology 143 (5): 05/2007. PM17362868

Chen SJ, Mahadevappa M, Roizenblatt R, Weiland J, Humayun M: Neural responses elicited by electrical stimulation of the retina Trans Am Ophthalmol Soc 104: 252-258, 05/2007. PM17471346

Colodetti L, Weiland JD, Colodetti S, Ray A, Seiler MJ, Hinton DR, Humayun MS: Pathology of damaging electrical stimulation in the retina Experimental Eye Research 85(1): 23-33, 07/2007. PM17531974

Ray A, Chan L, Thomas B, Weiland JD: Effects of prolonged stimulation at the electrode-retina interface. Conf Proc IEEE Eng Med Biol Soc: 1285-1287, 10/2007. PM17946036

Sachs NA, Chang EL, Weiland JD: Kinematics of electrically elicited eyelid movement. Conf Proc IEEE Eng Med Biol Soc: 2380-2383, 10/2007. PM17946955

2006

Güven D, Weiland JD, Maghribi M, Davidson JC, Mahadevappa M, Roizenblatt R, Qiu G, Krulevitz P, Wang X, Labree L, Humayun MS: Implantation of an inactive epiretinal poly(dimethyl siloxane) electrode array in dogs Experimental Eye Research 82(1): 81-90, 01/2006. PM16125701

Javaheri M, Hahn DS, Lakhanpal RR, Weiland JD, Humayun MS: Retinal prostheses for the blind Ann. Acad. Med. Singap. 35(3): 137-144, 04/2006. PM16625261

Roizenblatt R, Weiland JD, Carcieri S, Qiu G, Behrend M, Humayun MS, Chow RH: Nanobiolistic delivery of indicators to the living mouse retina Journal of Neuroscience Methods 153(1): 154-161, 05/2006. PM16290199

Ratanapakorn T, Ameri H, Humayun MS, Weiland JD: Enucleated eye model for intraocular retinal prosthesis implantation Ophthalmic Surg Lasers Imaging 37(4): 341-343, 08/2006. PM16898401

Shyu JS, Maia M, Weiland JD, Ohearn T, Chen SJ, Margalit E, Suzuki S, Humayun MS: Electrical stimulation in isolated rabbit retina IEEE Trans Neural Syst Rehabil Eng 14(3): 290-298, 09/2006. PM17009488

Sachs NA, Chang EL, Weiland JD: Contralateral EMG-triggered electrical stimulation of the eyelid 11th Annual Conference of the International Functional Electrical Stimulation Society, Zao, Japan 1: 286-288, 09/2006.

O’Hearn TM, Sadda SR, Weiland JD, Maia M, Margalit E, Humayun MS: Electrical stimulation in normal and retinal degeneration (rd1) isolated mouse retina Vision Research 46(19): 3198-3204, 10/2006. PM16723150

Wang G, Liu W, Sivaprakasam M, Zhou M, Weiland JD, Humayun MS: A dual band wireless power and data telemetry for retinal prosthesis. Conf Proc IEEE Eng Med Biol Soc: 4392-4395, 12/2006. PM17946243

Zhou M, Liu W, Wang G, Sivaprakasam M, Yuce MR, Weiland JD, Humayun MS: A transcutaneous data telemetry system tolerant to power telemetry interference. Conf Proc IEEE Eng Med Biol Soc: 5884-5887, 12/2006. PM17946345

2005

Sivaprakasam M, Liu W, Wang G, Weiland J, Humayun M: A programmable discharge circuitry with current limiting capability for a retinal prosthesis. Conf Proc IEEE Eng Med Biol Soc 5: 5234-7, 01/2005. PM17281429

Wang G, Liu W, Sivaprakasam M, Zhou M, Weiland J, Humayun M: A wireless phase shift keying transmitter with q-independent phase transition time. Conf Proc IEEE Eng Med Biol Soc 5: 5238-41, 01/2005. PM17281430

Weiland J, Fink W, Humayun M, Liu W, Rodger D, Tai YC, Tarbell M: Progress towards a high-resolution retinal prosthesis. Conf Proc IEEE Eng Med Biol Soc 7: 7373-5, 01/2005. PM17281984

Güven D, Weiland JD, Fujii G, Mech BV, Mahadevappa M, Greenberg R, Roizenblatt R, Qiu G, Labree L, Wang X, Hinton D, Humayun MS: Long-term stimulation by active epiretinal implants in normal and RCD1 dogs J Neural Eng 2(1): 05/2005. PM15876657

Mahadevappa M, Weiland JD, Yanai D, Fine I, Greenberg RJ, Humayun MS: Perceptual thresholds and electrode impedance in three retinal prosthesis subjects IEEE Trans Neural Syst Rehabil Eng 13(2): 201- 206, 06/2005. PM16003900

Weiland JD, Liu W, Humayun MS: Retinal prosthesis Annu Rev Biomed Eng 7: 361-401, 08/2005. PM16004575

Weiland JD, Humayun MS: A biomimetic retinal stimulating array IEEE Eng Med Biol Mag 24(5): 14-21, 09/2005. PM16248113

Xiao X, Wang J, Liu C, Carlisle JA, Mech B, Greenberg R, Guven D, Freda R, Humayun MS, Weiland J, Auciello O: In vitro and in vivo evaluation of ultrananocrystalline diamond for coating of implantable retinal microchips J. Biomed. Mater. Res. Part B Appl. Biomater. 77(2): 273-281, 10/2005. PM16245292

2004

Suzuki S, Humayun MS, Weiland JD, Chen SJ, Margalit E, Piyathaisere DV, de Juan Jr E: Comparison of electrical stimulation thresholds in normal and retinal degenerated mouse retina Japanese Journal of Ophthalmology 48(4): 345-349, 01/2004. PM15295659

Kazemi M, Basham E, Sivaprakasam M, Wang G, Rodger D, Weiland J, Tai YC, Liu W, Humayun M: A test microchip for evaluation of hermetic packaging technology for biomedical prosthetic implants. Conf Proc IEEE Eng Med Biol Soc 6: 4093-5, 01/2004. PM17271200

Parikh NJ, Weiland JD, Humayun MS, Shah SS, Mohile GS: DSP based image processing for retinal prosthesis. Conf Proc IEEE Eng Med Biol Soc 2: 1475-8, 01/2004. PM17271974

Shah S, Chu A, Zhou D, Greenberg R, Guven D, Humayun MS, Weiland JD: Intraocular impedance as a function of the position in the eye, electrode material and electrode size. Conf Proc IEEE Eng Med Biol Soc 6: 4169-71, 01/2004. PM17271221

Yanai D, Lakhanpal RR, Weiland JD, Mahadevappa M, Van Boemel G, Fujii GY, Greenberg R, Caffey S, de Juan Jr E, Humayun MS: The value of preoperative tests in the selection of blind patients for a permanent microelectronic implant Trans Am Ophthalmol Soc 101: 223-230, 02/2004. PM14971581

Maia M, Margalit E, Lakhanpal R, Tso MO, Grebe R, Torres G, Au Eong KG, Farah ME, Fujii GY, Weiland J, de Juan Jr E, D’Anna SA, Humayun MS: Effects of intravitreal indocyanine green injection in rabbits Retina (Philadelphia, Pa.) 24(1): 69-79, 04/2004. PM15076947

Gosalia K, Weiland J, Humayun M, Lazzi G: Thermal elevation in the human eye and head due to the operation of a retinal prosthesis IEEE Trans Biomed Eng 51(8): 1469-1477, 08/2004. PM15311834

Panzan CQ, Güven D, Weiland JD, Lakhanpal RR, Javaheri M, de Juan Jr E, Humayun MS: Retinal thickness in normal and RCD1 dogs using optical coherence tomography Ophthalmic Surg Lasers Imaging 35(6): 485-493, 12/2004. PM15580972

2003

Margalit E, Weiland JD, Clatterbuck RE, Fujii GY, Maia M, Tameesh M, Torres G, D’Anna SA, Desai S, Piyathaisere DV, Olivi A, de Juan Jr E, Humayun MS: Visual and electrical evoked response recorded from subdural electrodes implanted above the visual cortex in normal dogs under two methods of anesthesia J. Neurosci. Methods 123(2): 129-137, 03/2003. PM12606062

Piyathaisere DV, Margalit E, Chen SJ, Shyu JS, D’Anna SA, Weiland JD, Grebe RR, Grebe L, Fujii G, Kim SY, Greenberg RJ, De Juan Jr E, Humayun MS: Heat effects on the retina Ophthalmic Surg Lasers Imaging 34(2): 114-120, 04/2003. PM12665226

Lakhanpal RR, Yanai D, Weiland JD, Fujii GY, Caffey S, Greenberg RJ, de Juan Jr E, Humayun MS: Advances in the development of visual prostheses Curr Opin Ophthalmol 14(3): 122-127, 06/2003. PM12777929

Humayun MS, Weiland JD, Fujii GY, Greenberg R, Williamson R, Little J, Mech B, Cimmarusti V, Van Boemel G, Dagnelie G, de Juan E: Visual perception in a blind subject with a chronic microelectronic retinal prosthesis Vision Res. 43(24): 2573-2581, 11/2003. PM13129543

Hayes JS, Yin VT, Piyathaisere D, Weiland JD, Humayun MS, Dagnelie G: Visually Guided Performance of Simple Tasks Using Simulated Prosthetic Vision Artif Organs 27(11): 1016-1028, 11/2003. PM14616520

2002

An GJ, Asayama N, Humayun MS, Weiland J, Cao J, Kim SY, Grebe R, de Juan Jr E, Sadda S: Ganglion cell responses to retinal light stimulation in the absence of photoreceptor outer segments from retinal degenerate rodents Curr. Eye Res. 24(1): 26-32, 01/2002. PM12187491

Margalit E, Maia M, Weiland JD, Greenberg RJ, Fujii GY, Torres G, Piyathaisere DV, O’Hearn TM, Liu W, Lazzi G, Dagnelie G, Scribner DA, de Juan Jr E, Humayun MS: Retinal prosthesis for the blind Surv Ophthalmol 47(4): 335-356, 08/2002. PM12161210

Weiland JD, Anderson DJ, Humayun MS: In vitro electrical properties for iridium oxide versus titanium nitride stimulating electrodes IEEE Trans Biomed Eng 49(12 I): 1574-1579, 12/2002. PM12549739

2001

Radner W, Sadda SR, Humayun MS, Suzuki S, Melia M, Weiland J, de Juan Jr E: Light-driven retinal ganglion cell responses in blind rd mice after neural retinal transplantation Invest. Ophthalmol. Vis. Sci. 42 (5): 1057-1065, 04/2001. PM11274086

2000

Margalit E, Fujii GY, Lai JC, Gupta P, Chen SJ, Shyu JS, Piyathaisere DV, Weiland JD, De Juan Jr E, Humayun MS: Bioadhesives for intraocular use Retina (Philadelphia, Pa.) 20(5): 469-477, 01/2000. PM1103942

Weiland JD, Humayun MS, Dagnelie G, de Juan Jr E, Greenberg RJ, Iliff NT: Understanding the origin of visual percepts elicited by electrical stimulation of the human retina Graefes Arch. Clin. Exp. Ophthalmol. 237(12): 1007-1013, 02/2000. PM10654170

Weiland JD, Anderson DJ: Chronic neural stimulation with thin-film, iridium oxide electrodes IEEE Trans Biomed Eng 47(7): 911-918, 07/2000. PM10916262

1999

Humayun MS, de Juan Jr E, Weiland JD, Dagnelie G, Katona S, Greenberg R, Suzuki S: Pattern Electrical Stimulation of the Retina, Vision Research
s. 39(15): 2569-2576, 07/1999. PM10396625

Majji AB, Humayun MS, Weiland JD, Suzuki S, D’Anna SA, de Juan Jr E: Long-term histological and electrophysiological results of an inactive epiretinal electrode array implantation in dogs Invest. Ophthalmol. Vis. Sci. 40(9): 2073-2081, 08/1999. PM10440263

1997

Weiland JD, Anderson DJ, Pogatchnik CP, Boorgard J: Recessed Electrodes formed by Laser Ablation of Parylene Coated, Micromachined Silicon Probes Proceedings of the 19th Conference of the IEEE Engineering in Medicine and Biology Society 19: 2273-2276, 10/1997.