| A | B |
| ambiopia | Double vision caused by each eye focusing separately |
| amblyopia | Dullness or dimness of vision |
| anisorcoria | Inequality of the diameter of the pupils of the eyes |
| aphakia | Absence of the lens of the eye |
| aqueous | Watery |
| Argyll-Robertson pupil | A pupil that constricts on accomodation but not in response to light |
| blepharochalasis | Relation of the skin of the eyelid. The skin may droop over the edge of the eyelid when the eyes are open |
| blepharoptosis | Drooping of the upper eyelid |
| blepharospasm | A twitching of the eyelid muscles; may be due to eyestrain or nervous irritability |
| conjunctivitis | Inflammation of the conjunctiva of the eye; may be caused by bacterial infection, a viral infection, allergy or a response to the environment |
| corneal | Pertaining to the cornea |
| cycloplegia | Paralysis of the ciliary muscle of the eye |
| dacryoadenitis | Inflammation of the lacrimal (tear) gland |
| dacryorrhea | Excessive flow of tears |
| diplopia | Double vision caused by each eye focusing separately, see ambiopia |
| ectropion | Eversion(turning outward) of the edege of the eyelid |
| emmetropia | A state of normal vision, the eye is at rest and the image is focusing directly on the retina |
| entropion | Inversion (turning inward) of the edge of the eyelid |
| episcleritis | Inflammation of the outermost layers of the sclera |
| esotropia | An obvious inward turning of one eye in relation to the other eye; also called crosseyes |
| exotropia | An obvious outward turning of one eye in relation to the other eye, also called walleye |
| extraocular | Pertaining to outside the eye |
| floaters | One or more spots that appear to drift or float across the visual field |
| hemianopia | Blindness in one half of the visual field |
| hemianopsia | Blindness in one half of the visual field, also called hemianopia |
| iriditis | Inflammation of the iris - see iritis |
| iridocyclitis | Inflammation of the iris and ciliary body of the eye |
| iritis | Inflammation of the eye - see iriditis |
| keratoconjunctivitis | Inflammation of the cornea and conjunctiva of the eye |
| keratoconus | A cone shaped protrusion of the center of the cornea, not accompanied by inflammation |
| keratomycosis | A fungal growth present on the cornea |
| lacrimal | Pertaining to tears |
| lacrimation | The secretion of tears from the lacrimal glands |
| miosis | Abnormal constriction of the pupil of the eye |
| miotic | An agent that causes the pupil of the eye to constrict |
| mydriasis | Abnormal dilation of the pupil of the eye |
| mydriatic | An agent that causes the pupil of the eye to dilate |
| nasolacrimal | Pertaining to the nose and the lacrimal (tear) ducts |
| nystagmus | Involuntary jerking movements of the eye |
| ophthamologist | A medical doctor who specializes in the treatment of the diseases and disorders of the eye |
| ophthalmology | The branch of medicine that specializes in the study of the diseases and disorders of the eye |
| ophthalmopathy | Any disease of the eye |
| optic | Pertaining to the eyes or to sight |
| optician | A health professional who specializes in filling prescriptions for corrective lensess for glasses or contact lenses |
| optometrist | A health professional who specializes in testing the eyes for visual acuity and prescribing corrective lenses |
| palpebral | Pertaining to the eyelid |
| papilledema | Swelling of the optic disc, visual on ophthalmoscopic examination of the interior of the eye |
| phacomalacia | Softening of the lens of the eye |
| photophobia | Abnormal sensitivity to light, especially by the eyes |
| presbyopia | Loss of accommodation for near vision, poor vision due to the natural aging process |
| pupillary | Pertaining to the pupil of the eye |
| retinopathy | Any disease of the retina |
| sclerectomy | Excision or removal of a portion of the sclera of the eye |
| scotoma | An area of depressed vision (blindness) within the usual visual field, surrounded by an area of normal vision |
| uveitis | Inflammation of the uveal of the eye - which includes the iris, cillary body and the choroid |
| vitreeous | Pertaining to the vitreous body of the eye |