-plegia, -pleg, -plegic, -plegy, plego-, pleg-

Paralysis of an eyelid or of both muscles of the eyelid.

1. Cessation of contractions of the myocardium produced by cooling the heart during cardiac surgery.
2. Paralysis of the heart as a result of hypothermia or cold.

The sudden loss of movement in the eye muscles that adjust the size of the lens and are used for focusing.

Paralysis of the esophagus.

Ophthalmoplegia (paralysis of the ocular muscles) with protrusion of the eyeballs due to increased water content of orbital tissues incidental to thyroid disorders, usually hyperthyroidism.

Paralysis affecting one or more of the extrinsic (outward) eye muscles.

1. Loss of muscle tone induced by sudden or excessive laughter.
2. A sudden loss of muscle tone (cataplexy) induced by uproarious laughter.

Cataplexy is a debilitating medical condition in which a person suddenly feels weak and collapses at moments of strong emotion; such as, laughter, anger, fear, or surprise.

Laughter and other emotions trigger a reflex in persons that can bring many of the muscles of the body to the point of collapse.