Electronic/stem cell: People with retinitis pigmentosa ; va less than 20/70 are the best candidates for stem cell transplants to shape the retinal pigment epithelium that is not working. For non-rp retinal diseases, chip transplants are being investigated; you need a working optic nerve ; visual acuity of h; motion or less, but at least light perception. The reason patients are not done with better vision is that both.
Answered 3/30/2014
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