glasses for vision and the inscription diagnosis keratoconus on the table close-up. eye disease, diagnosis and treatment

anatomical anatomy astigmatism biology blind close cornea corneal diagnosis diagnostic disease disorder epithelium examination eye fatigue foreign glasses health illness inscription keratoconus keratometry keratoplasty lens looking loss medical medicine myopia ophthalmologist ophthalmology optic optical optician optometry patient pupillometry section see sight specs stage suffer table test text treatment vision