3.  Define the following:  epiphora, blepharophimosis, blepharochalasis, blepharomelasma, dermatochalasis, dystopia, tensilon test, chemosis.

Answer:
Epiphora:  excessive tearing.

Blepharophimosis:  congenital malformation associated with ptosis and epicanthal folds, telecanthus, shortening of the horizontal fissure of the lids.

Blepharochalasis:  A rare inherited disorder that appears in childhood characterized by repetitive episodes of eyelid edema that eventually leads to attentuation and/or dehiscence of the levator aponeurosis with resultant ptosis.

Dermatochalasis:   Involutional loosening of the eyelid skin.

Blepharomelasma:  Hyperpigmentation of the lids.

Chemosis:  Edema of the bulbar conjunctiva.

Dystopia:  Abnormal position of a part or organ (ocular dystopia: inferior globe displacement).

Tensilon test:  Useful for diagnosing ocular myasthenia.

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