Praveenalmost 7 years ago

WHO classification of Xerophthalmia XN - Nyctalopia X1A - Conjunctival xerosis X1B - Bitot’s spot X2 - Corneal xerosis X3 - Corneal ulceration / keratomalacia - X3A - affecting < 1/3rd part of corneal surface - X3B - affecting > 1/3rd part of corneal surface XS - Corneal scars XF - Xerophthalmic fundus WHO treatment schedule for active xerophthalmia: Vitamin A therapy • Medication given on day 0, 1 and 14 • Same dose on all 3 days • Oral route preferred Age < 1year / any age with weight < 8kg = 50000 IU orally Age > 1 year = 2 lakh IU orally / 1 lakh IU IM