The basic anatomy of the eye includes the iris, cornea, pupil, lens, sclera, ciliary body, choroid, optic nerve, macula, retina and vitreous. Remove toxins that affect revision - Apart from those two things, you'll also have to remove the toxins that affect your revision. Make an appointment with your eye care specialist once a year, and keep your revision as clear and sound as possible. Drusen are defined as yellow colored deposits that are located under the retina.