Conjunctival Lissamine Green Staining (0–18)
CONJUNCTIVA
Conjunctival lissamine green staining grade with lissamine green–impregnated paper strips (Contacare Ophthalmics & Diagnostics, Padra, India) was evaluated according to the NEI Scale [grades 0 (absent) to 3 (severe)] for each of the six areas on each conjunctiva, for a maximum score of 18 points [