<unk>  (Greek for dry eyes) is a  medical condition in which the eye fails to produce tears. It may be caused by a deficiency in vitamin A and is sometimes used to describe that lack, although there may be other causes.
Xerophthalmia
Exophthalmos
Anophthalmia
Blue sclera
Buphthalmos
Lagophthalmos
Red eye 
Red eye  