Define Bitot's Spots - micronutrient deficiencies?
As the deficiency progresses, dirty white, foamy and raised spots are formed on the surface of the conjunctiva, generally on the outer side of the cornea. These spots we accumulation of denuded conjunctival epithelial cells. They stain black in the eyes when applied 'Kajal'. You would notice that the spot is quite superficial and more or less readily removed by direct inking or by lacrimination in a crying.