102 persons with pseudoexfoliation without glaucoma, not attending follow-up controls, underwent re-examination. The time elapsed since last control was greater than or equal to 5 years in 39%. In those with monocular pseudoexfoliation, 30% became binocularly affected. Only 3 persons had developed glaucoma (2.9%). Probable explanations for this low figure are discussed. IOP measurements of the total group and the subgroup of persons remaining monocularly affected during the observation period, revealed similar or lowered values at re-examination compared with the last control. A retrospective analysis of a capsular glaucoma group (208 eyes), disclosed that 84% had glaucoma at their initial visit, 38% of the remaining patients developing glaucoma during 1.5 years.