1 A mathematical determination of the amount or number of something: finding ways of saving money involves complicated calculations [mass noun]: the calculation of depreciation. More example sentences. Synonyms. 1  Precise mathematical calculations are worked out and this determines how a person's life is affected.
A vitamin A deficiency can lead to a vision condition called, Keratomalacia. Symptoms of this condition include: night blindness, dry eyes (often extreme cases), blurred or clouded vision, and softening of the cornea.
For example, deficiency of vitamin A leads to break-down of the photosensitive cells in the retina of the eye, causing night blindness. Absence of vitamin C in the diet leads to scurvy, a disease formerly the bane of sailors.Absence of vitamin D may lead to rickets, a bone disease. The vitamin powder then flows through the hopper to a filling station beneath, and flows from there to a rotating table. 2  The rotating table may be 2-4 ft (0.6-1.2m) in diameter, or even bigger, and is fitted with holes on its outside edge that hold dies in the shape of the desired tablet (oval, round, animal, etc.).