期刊
SURVEY OF OPHTHALMOLOGY
卷 67, 期 3, 页码 793-800出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.survophthal.2021.08.008
关键词
electrical stimulation; visual prosthesis; vision restoration; axon regeneration; neuromodulation
资金
- NEI [1K08EY031797]
- NINDS [1K08MH121757]
Given the increasing number of patients with blindness caused by macular, optic nerve, and visual pathway diseases, there is a growing interest in the potential of electrical stimulation devices for vision restoration. These devices can be categorized into visual prostheses, electric field stimulation, and neuromodulation, each serving different purposes and facing various limitations. This review discusses the advancements, limitations, and potential future directions of these three approaches.
Given the rising number of patients with blindness from macular, optic nerve, and visual pathway disease, there is considerable interest in the potential of electrical stimulation devices to restore vision. Electrical devices for restoration of visual function can be grouped into three categories: (1) visual prostheses whose goal is to bypass damaged areas and directly activate downstream intact portions of the visual pathway; (2) electric field stimulation whose goal is to activate endogenous transcriptional and molecular signaling pathways to promote neuroprotection and neuro-regeneration; and (3) neuromodulation whose stimulation would resuscitate neural circuits vital to coordinating responses to visual input. In this review, we discuss these three approaches, describe advances made in the different fields, and comment on limitations and potential future directions. (c) 2021 Elsevier Inc. All rights reserved.
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