Xerophthalmia Grade X-3A: (A) Corneal xerosis, (B) Bitot spot, (C) Corneal ulcer involving less than 1/3 of corneal surface, (D) Corneal ulcer involving more than 1/3 of corneal surface
Answer is C. Ans. is 'c' i.e., Corneal ulcer involving less than 1/3 of corneal surface WHO classification of xerophthalmia XN Night blindness XIA Conjunctival xerosis XIB Bitot's spots X2 Corneal xerosis X3A Corneal ulceration/keratomalacia affecting less than one-third corneal surface X3B Corneal ulceration/keratomalacia affecting more than one-third corneal surface XS Corneal scar due to xerophthalmia XF Xerophthalmic fundus