opticnerve

abstract age aging armd arteries background biometric black blastoma cell center circle cones degeneration detached diabetes diabetic disc disk eye eyesight far fundus glaucoma health healthy human isolated laser macula macular medical micrograph micrography microscopy near nerve nervous network ocular old onset ophthalmic ophthalmology optic orange pigment related retina retinal retinopathy rods round scan see seeing sight sighted strabismus system vascular vein view vision vitreous