The main signs of vitamin A deficiency in preschool children are: impairment of twilight vision, low serum vitamin A level, successively weighting lesions of the conjunctiva and the cornea of ??the eye, called xerophthalmia.

Serious irreversible changes in the cornea, which eventually lead to perforation with the loss of watery fluid, are called keratomalacia, as reported by the Internet publication for girls and women from 14 to 35 years Pannochka. Net Another pathology of the cornea, spotted keratopathy, is often found even in the early stages of corneal involvement of medicus. En.