Common Pathological and Functional Disorders

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8 Cards. Created by drholmes ().
Paraoptometric Certification
 
Term  
Definition

An abnormal inward turning of an eyelid. the inward turning of the lid margin causes the eyelashes to rub against the eye, producing a foreign body sensation, irritation, tearing, and possible corneal abrasion.

Entropion

The Structures surrounding the eye, including the eyelids, eyebrows, lacrimal system, and the orbit.

Ocular Adnexa

is an outward turning of the eyelid, allowing it to lean away from it natural position against the eyeball. this condition results in exposure to the conjunctiva and cornea, causing burning, tearing, inflammation, and possible infection.

Ectropion

Is an abnormality in which one or both upper eyelids droop.

Blepharoptosis

Excessive eyelid skin caused by loss of elastic tissue

Dermatochalasis

Are small, yellowish fatty deposits that occur on the upper and lower eyelids, usually on the medial side. These lesions are not painful, nor do they have a tendency to be malignant. Because xanthelasma may be an indication of abnormal lipid levels and/or cholesteral levels, blood work is generally ordered.

Xanthelasma

or external hordeolum, is an infection located in an eyelash follicle at the eyelid margin. It is most commonly associated with staphylococcus bacteria. The patient reports localized tenderness, a swollen "bump", and redness of the eyelid. The bump may drain a little pus, which dries as bits of crust on the eyelashes.

Stye

also known as an internal hordeolum, is caused by a clooffed or inflamed Meiomian glad, an oil-secreting gland found in the tarsus of the eyelid.

Chalazion