Feasibility Study of a Chronic Retinal Stimulator in Retinitis Pigmentosa
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Ages Eligible for Study:
18 Years and older (Adult, Senior)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Confirmed history of retinal degenerative disease in the worse seeing eye with remaining vision no better than light perception. The fellow eye can have any visual acuity but must have better vision than the eye that will have the surgery.
History of former useful form vision in worse-seeing eye
Acceptable ability to describe visual percepts
Age eighteen (18) or older
History of glaucoma
Optic neuropathy or other confirmed damage to optic nerve or visual cortical damage
Presence of communicable disease/infection
History of claustrophobia
Inconsistent flash detection thresholds
Any other diseases that can effect the function of the retina
Subjects with a Beck Depression Inventory Interpretation score of >30 and subsequent diagnosis of depression by a psychiatrist.