An advanced visual prosthetic system or “bionic eye” brings hope to people who have lost their vision due to a rare degenerative disease of the. The device satisfactory improved their visual acuity and quality of life. Retinitis pigmentosa (RP) is a group of genetically linked retinal disorders characterized by progressive degeneration of the mid-peripheral retina, leading to night blindness, visual field constriction, and in most of the cases eventual loss of vision.
It is one of the leading causes of blindness in adults with an incidence of around 1 in 3,500 worldwide. Clinical manifestations include detection of pigmented patches in the retina and attenuation of retinal blood vessels followed by atrophy of the retinal pigment epithelium. Electroretinogram (ERG) changes are present with abnormalities majorly of rod ERGs, but in some cases anomaly in both rod and cone ERG is present.…
