A person’s normal vision starts when a light enters through the eyes then reaches the retinal cells, rods and cones. These rods and cones convert the light signals into electric impulses sent to the optic nerve then to the brain. In conditions like macular degeneration, these photoreceptor cells had been damaged, making it incapable of doing its function. Hence, vision loss is being experienced. Watch this video as it shows the researches made to treat this kind of disease.
Learn dance, fashion, sports, hobbies and many more. TV Lesson is a great place to learn different things. We feature good quality videos that you will surely find somehow useful.
