To verify the reproducibility of Rolando's classification of the tear ferning test using five different examiners and to compare the patterns of crystallization found in Sjögren's syndrome patients and normal subjects.
Setor de Córnea e Doenças Externas, Departamento de Oftalmologia, Santa Casa de Misericórdia de São Paulo, SP, Brasil. sergiofelberg@oftalmosantacasa.com.br