All are corneal signs of trachoma except-
1. Superficial keratitis may be present in the upper pa. 2. Herbe follicles refer to typical follicles present in the limbal area. 3. Pannus i.e., infiltration of the cornea associated with vascularization is seen in upper pa 4. Corneal ulcer may sometime develop at the advancing edge of pannus. 5. Herbe pits are the oval or circular pitted scars, left after healing of Herbe follicles in the limbal area 6. Corneal opacity may be present in the upper pa Ref: A K KHURANA COMPREHENSIVE OPHTALMOLOGY,E4,page-65 ref img
Herbe follicles
pannus
Opacity
Arlt's line
Conjunctiva