Tear film and ocular surface alterations in chronic users of antiglaucoma medications - Baffa, Lina do Prado; Ricardo, José Reinaldo da Silva; Dias, Ana Carolina; Módulo, Carolina Maria; Braz, Alexandre Martins; Paula, Jayter Silva de; Rodrigues, Maria de Lourdes Veronese; Rocha, Eduardo Melani (Arquivos Brasileiros de Oftalmologia, 2008)