BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Xerophthalmia is the clinical spectrum of ocular manifestations of vitamin A deficiency; these range from the milder stages of night blindness and Bitot spots to the potentially blinding stages of corneal xerosis, ulceration and necrosis (keratomalacia).

Detailed explanation-2: -Xerophthalmia is a progressive eye disease caused by vitamin A deficiency. Lack of vitamin A can dry out your tear ducts and eyes. Xerophthalmia can develop into night blindness or more serious damage to your cornea, the outer layer of your eye.

Detailed explanation-3: -Vitamin A deficiency can result from inadequate intake, fat malabsorption, or liver disorders. Deficiency impairs immunity and hematopoiesis and causes rashes and typical ocular effects (eg, xerophthalmia, night blindness). Diagnosis is based on typical ocular findings and low vitamin A levels.

Detailed explanation-4: -While the group of conditions that is xerophthalmia includes dry eyes, it covers other signs and symptoms that affect your eyes. Xerophthalmia is caused by a lack of vitamin A and can cause blindness. The vitamin A deficiency can happen in two ways: You don’t get enough vitamin A in your diet.