“Mom, what are those funny sunglasses?” five-year Arnav asked with a look of amusement. It was the first time Arnav had seen the blind Lieutenant Commander Geordi La Forge in the movie Star Trek. “Son that is a VISOR, a special device that helps him see despite his blindness.” Then why doesn’t the blind uncle in the PCO booth use it? “This is not real son, it’s just a movie...”
The retina refers to the eye's inner lining, a part of the eye that contains light-sensitive tissues. Its major role is to help in vision generation by sending light signals to the brain. In some patients, the retinal tissue start thinning and breaking down overtime at certain locations.