Term
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Definition
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Term
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Definition
| involuntary contraction of the muscles surrounding the eye, causing uncontrolled blinking and lid squeezing |
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Definition
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Definition
| abnormal protrursion of one or both eyeballs |
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Definition
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Definition
| involuntary, rapid oscillating movement of the eyeball |
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Definition
| extreme sensitivity to, and discomfort from light |
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Term
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Definition
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Term
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Definition
| defects in the bending of light as it enters the eye, causing an improper focus on the retina |
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Term
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Definition
| distorted vision caused by an oblong or cylindrical curvature of the lens or cornea that prevents light rays from coming to a single focus on the retina |
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Term
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Definition
| farsightedness; difficulty seeing close objects rvhen light rays extend beyond the proper focus on the retina |
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Term
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Definition
| nearsightedness; difficulty seeing distant objects when light rays fall shorl of the proper focus on the retina |
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Term
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Definition
| impaired vision owing to old-age loss of accommodation |
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Term
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Definition
| ability of the eye to adjust focus on near objects |
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Term
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Definition
| decreased vision in early life due to a functional defect that can occur as a result of strabismus, refi:active errors (when one eve is more near- sighted, farsighted, or astigmatic than the other), or trauma; usually occurs in one eye, also known as lazy eye |
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Term
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Definition
| absence of the lens, usually after cataract ertraction |
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Term
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Definition
| inflammation of the evelid |
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Term
| blepharochalasis, dermatochalasis |
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Definition
| buggy eyelid; overabundance and loss of elasticity of skin on the upper eyelid, causing a fold of skin to hang dorvn over the edge of the eyelid when the eyes are open |
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Term
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Definition
| drooping of the eyelidusually causedby paralysis |
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Term
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Definition
| chronic nodular inflammation of a meibomian gland, usually the result of a blocked duct; commonly presents as a swelling on the upper or lower eyelid |
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Term
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Definition
| opaque clouding of the lens causing decreased vision |
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Term
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Definition
| pinkeye; inflammation of the conjunctiva |
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Term
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Definition
| inflammation of the lacrimal sland |
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Term
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Definition
| inflammation of the tear sac |
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Term
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Definition
| disease of the retina in diabetics characterized by capillary leakage, bleeding, and new vessel formation (neovascularization), leading to scarring and loss of vision |
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Term
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Definition
| outward turning of the rim of the eyelid |
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Term
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Definition
| inward turning of the rim of the eyelid |
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Term
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Definition
| abnormal overflow of tears caused by blocka_ee, the lacrimal duct |
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Term
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Definition
| group of diseases of the eye characterized by increased intraocular pressure that results in damage to the optic nerve, producing defects in vision |
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Term
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Definition
| sty; an acute infection of a sebaceous gland of the eyelid |
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Definition
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Definition
| inflammation of the cornea |
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Definition
| breakdown or thinning of the tissues in the macula, resulting in partial or complete loss of central vision |
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Definition
| eye in which the natural lens is replaced with an artificial lens implant |
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Term
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Definition
| fibrous grort th of conjunctival tissue that extends onto the cornea |
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Term
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Definition
| separation of the retina from the underlying epithelium, dismpting vision and resulting in blindness if not repaired surgically |
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Term
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Definition
| inflammation of the retina |
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Term
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Definition
| crossed eyes; a condition of eye misalignment caused by intraocular muscle imbalance |
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Term
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Definition
| right or left eye deviates inward toward the nose |
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Term
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Definition
| right or left eye deviates outward away from the nose |
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Term
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Definition
| inflammation of the sclera |
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Term
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Definition
| misdirected eyelashes that rub on the conjunctive or cornea |
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