Central corneal thickness, depth of anterior chamber, thickness of lens, length of vitreous, axial length, applanation (Goldmann) and indentation (Schiotz) tension and rigidity (Friedenwald) were determined in three groups of patients; (1) 16 patients with glaucoma simplex, (2) 25 patients with ocular hypertension, and (3) 26 patients with fibrillopathia epitheliocapsularis (so-called pseudoexfoliation of the lens). Average data and computed correlations between the parameters are given in tabular form. Corneal thickness was normal in glaucoma simplex, but significantly increased in ocular hypertension. Corneal thickness was positively correlated to applanation tension but not to indentation tension, nor to any other of the studied parameters. It is suggested that corneal thickness can be considered as a biometric parameter which yields new information about the eye not covered by the conventional parameters.

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The frequency of fibrillopathy (pseudoexfoliation of the lens capsule) among relatives of persons with fibrillopathy was investigated. Among 203 relatives over the age of 40 years, belonging to 25 families, fibrillopathy was found in 19, or in almost 10%. The frequency was independent of whether the proband had capsular glaucoma or normal intraocular pressure. Capsular glaucoma occurred in five of the 19 relatives. The results suggest that fibrillopathy may occur as a dominant hereditary trait, but it may also be found sporadically.

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