close-up of a retinal oct scan revealing detailed layers of the macula

amblyopia astigmatism care cataract close-up coherence contact cornea degeneration detailed diabetic doctor drops dry examination eye eyeglasses eyes generated glaucoma health hyperopia imaging impairment intraocular lasik layers lens lenses lights low macula macular myopia oct ophthalmology optical optician optometry presbyopia pupil refraction refractive retina retinal retinopathy revealing scan surgery therapy tomography tonometry vision visual