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Nervous Terms
Nervous System Terms
| Term | Definition |
|---|---|
| astigmatism | abnormally shaped cornea causing light rays to be focused irregularly on the retina |
| blepharitis | inflammation of the eyelids |
| blepharoptosis | drooping of the eyelid |
| cataract | progressive cloudiness of the crystalline lens |
| chalazion | cyst or nodule on the eyelid as a result of an obstructed meibomian gland |
| color blindness | inability to recognize or see certain colors |
| conjunctivitis | inflammation of the conjunctiva ; pinkeye |
| dacryocystitis | inflammation of the tear sac |
| detached retina | separation of the retina from the choroid layer of the eye |
| diabetic retinopathy | disease of the retina and its capillaries caused by long-standing and usually poor controlled diabetis mellitus |
| diplopia | double vision; one or both eyes |
| ectropion | turning outward of the eyelash margins, usually affects the lower eyelid |
| entropion | turning inward of the eyelash margins, usually affects lower eyelid |
| esotropia | inward turning of the eyes, cross-eyed (convergent strabismus) |
| exophthalmia | abnormal protrusion of the eyeballs |
| exotropia | outward turning of the eyes ; walleyed (divergent strabismus) |