A condition in which there is a redundancy of eyelid skin, in the superior lids obscuring the supratarsal folds and sometimes concealing the lid margins; and in the inferior lids, produces redundancy and folds extending beyond the orbital rims.
Synonym(s): ptosis adiposa
[blepharo- + G. chalasis, a slackening]
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Examples: glitazone, GI cocktail, etc.