Biometric study in a series of 11 affected males provides characteristic findings. The patients present with a large cornea with short radius, very deep anterior chamber depth (AC depth) exceeding the normal mean value of plus 2 SD, and a short vitreous length. Calculation of the postlimbal depth, a method applied in this study to obtain information about positioning of the iris and the lens, reveals a posterior positioning of the iris and lens. The posterior positioning of the iris and lens was proved to occur at the expense of the vitreous. The importance of biometric data for diagnosis and for differential diagnosis in primary infantile glaucoma and other diseases with megalocornea is discussed. (Br3 Ophthalmol 1994; 78: 781-785)

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A patient with Aicardi's syndrome had the complete clinical picture of mental subnormality, convulsions, electroencephalographic disturbances, ocular anomalies, female sex, and agenesis of the corpus callosum. A second patient had the features of the syndrome, with microphthalmia and one patient had the features of the syndrome, with microphthalmia and one depigmented zone. In both cases and in Brihaye's case, no pineal gland was found. Since the epiphysis cerebri is important as a clock for sexual development, its absence may be incompatible with the development of a male fetus. The pathogenesis of the syndrome remains obscure. While an exogenous cause may be at work in some of the cases, the complex and stereotypical character of the symptoms plead for a hereditary origin.

Two patients with similar congenital malformations, consisting of orbital cyst, cerebral malformations and focal dermal hypo‐ and aplasia are described. There is some similarity to the Goltz and Goldenhar syndromes; however, the delineation of a new entity or syndrome seems possible.

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SUMMARY Grouped pigmentation of the retinal pigment epithelium was found in a father and his son. They had a normal resting potential on the electro-oculogram, but the son had a lower normal light rise. We believe this is the first description of familial grouped pigmentation.

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