age-related macular degeneration. cross section of human eye

macular degeneration eye age agerelated cross closeup macula optic disc choroid retina sclera fovea medical condition back wet dry amd armd health disease human ophthalmologist ophthalmology optical retinopathy diagnosis eyeglasses anatomy vision diabetic illness ciliary sight disorders physiology model centralis aging loss drusen blurred blindness photoreceptors angiography treatment