Abstract
Genetic conditions affecting eyesight can lead to vision loss due to a variety of disorders. These include traumatic events such as car accidents or blast injuries, as well as diseases like retinitis pigmentosa, glaucoma, and macular degeneration. After an accident or explosion, the remaining portion of the eye's nerve pathway may still function, allowing electrical devices to transmit significant images to the brain through a network of electrodes. Although current devices offer relatively limited vision, there has been significant progress since the initial proof of concept. Three devices have been approved for general use in various regions around the world, and several more are currently undergoing approval. The prospects for widespread adoption of device-based treatments for vision loss are promising. Much of the recent progress is due to advancements in semiconductors and biological compatibility. To create artificial vision and restore functionality, a camera or other image source electrically stimulates the residual healthy cells or tissues.
Published Version
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