Bitot's spot prevalence as public health problem -: (A) >1%, (B) >2%, (C) >0.5%, (D) None
Answer is C. - bitot's spots are triangular, pearly white or yellowish foamy spots on the bulbar conjunctiva on either side of cornea. - the prevalence of bitot's spots in population at risk more than 0.5 percent is regarded as a public health problem. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:616 <\p>