Fig. 6. Staging system of cicatricial pemphigoid. A. Stage I of cicatricial pemphigoid, showing 25% or less shrinkage of the conjunctival fornices. B. Stage II of cicatricial pemphigoid, showing 25% to 50% conjunctival shrinkage. C. Stage III of cicatricial pemphigoid showing conjunctival shrinkage of about 75%. Inferior fornix is nearly obliterated. Shallow superior fornix is still present. D. Stage IV or end stage of cicatricial pemphigoid, showing obliteration of conjunctival fornices.