An unusual fold of skin over the eyelid, which may press the eyelashes against the eyeball.
An abnormal fold of skin, present from birth, stretching across the eye just above the lashes of the upper eyelid or in front of them in the lower lid. It may cause the lower lashes to turn upward or inward against the eye. It usually disappears within the first year of life.
A fold of skin that passes across the margin of either the upper or lower eyelid so that the eyelashes are pressed against the eye.