| A | B |
|---|
| astigmatism | uneven curvature of lens |
| conjunctivitis | inflammation of membrane lining eye lids and covering sclera |
| hyperopia | farsightedness |
| myopia | nearsightedness |
| keratitis | inflammation of cornea |
| miotic | medication that causes pupil to constrict |
| mydriatic | medication that causes pupil to dilate |
| presbyopia | visual impairment associated with old age |
| refraction | bending of light rays |
| tonometry | measurement of intraocular pressure(IOP) |
| accomodation | lens changes shape to focus |
| aphakia | absence of lens |
| blindness | inability to see |
| cones | retinal cells responsible for colored vision |
| diplopia | double vision |
| nystagmus | involuntary oscillation of eyeball |
| papilledema | swelling of optic disc due to increased intracranial pressure |
| photophobia | ocular pain on exposure to light |
| ptosis | drooping eyelid |
| vitreous humor | gelatinous material that fills eyeball behind lens |
| OD | right eye |
| OS | left eye |
| OU | both eyes |
| cataract | opacity of lens |
| glaucoma | increased intraocular pressure |
