<prompt> In xerophthalmia classification X 2 stage is ?Bitots spotsCorneal xerosisCorneal ulcerationCorneal scar  <response>: Ans. is b i.e., Corneal xerosis WHO classification 1982 The new xerophthalmia classification modification of original 1976 classification is as follows : XN Night blindness X1A Conjunctival xerosis X1B Bitots spots X2 Corneal xerosis X3A Corneal ulcerationkeratomalacia affecting less than one-third corneal surface. X3B Corneal ulcerationkeratomalacia affecting more than one-third corneal surface. XS Corneal scar due to xerophthalmia XF Xerophthalmic fundus. 