To define a health problem, prevalence of corneal xerosis should be –
Correct Answer: >0.01%
Description: - corneal xerosis a serious problem in which cornea appears dull, dr and non wettable and eventually opaque. - To define a health problem, prevalence of corneal xerosis should be more than 0.01%. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:616 <p>
Category:
Social & Preventive Medicine
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