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HA Module 2
Eyes
Term | Definition |
---|---|
cornea | transparent covering of the iris |
coloboma | defect of the choroid and retina resulting when development in utero is interrupted |
chalazion | chronic inflammation of the meibomian gland in the upper or lower eyelid |
amblyopia | permanent loss of visual acuity resulting from certain uncorrected medical conditions |
anisocoria | difference in pupil sizes. anterior chamber space in front of pupil and iris |
enophthalmos | backward displacement of the globe of the eye |
accommodation | visual focusing from far to near point as pupils constrict and eyes converge |
choroid | vascular tissue of the posterior uveal tract lining the inner surface of the globe of the eye, beneath the retina; provides nutrition to the retina and helps absorb excess light |
caruncle | round, red structure in the inner canthus; contains sebaceous glands |
dacryocystitis | inflammation of the lacrimal duct |
ectropion (of the eye) | turning outward, or eversion of the eyelid, usually the lower |
bulbar conjunctiva | covering of the anterior surface of the sclera |
blepharitis | inflamed, scaly, red-rimmed eyelids, sometimes with loss of the eyelashes |
canthus | nasal or temporal angle where the eyelids meet |
dacryoadenitis | acute inflammation of the lacrimal duct |
entropion (of the eye) | turning inward, or inversion of the eyelid, usually the lower |
ciliary | body extension of the uveal tract that produces aqueous humor |
cones | retinal structures in the macular region that are responsible for color vision |
cataract | opacity in the lens of the eye that gives the pupil a pearly gray appearance |
arcus senilis | hazy gray ring about 2mm in diameter just inside the limbus; most commonly found in older individuals |