ICD-11 definition : These are cicatrices of the mucous membrane that lines the inner surface of the eyelid
and the exposed surface of the eyeball that occur due to various reasons such as trauma,
infection or allergy.;
These are cicatrices of the mucous membrane that lines the inner surface of the eyelid
and the exposed surface of the eyeball that occur due to various reasons such as trauma,
infection or allergy.