Abstract
We describe a 10 years old male who suffered from diminution of vision and raised intra ocular pressure (left eye was more severely affected than the right), the use of some ophthalmologic examinations to evaluate the anatomic structures and visual functions of both eyes. Slit lamp and biometric examinations showed very large corneas, very deep anterior chambers, short vitreous length and miotic left pupil. Gonioscopy showed excessive mesenchymal tissue in the angle of the anterior chamber. Corneal transparency, corneal thickness and lens were normal. Because the patient had bilateral megalocornea, raised IOP, deep anterior chamber and atrophic changes in the iris, anterior megalophthalmos was diagnosed. The case was studied in detail as the condition is rare. Secondary effects such as iridodonesis, miosis, atrophy of the iris stroma , lens subluxation and occurrence of cataractous lens should be kept in mind. The importance of biometric data for diagnosis and differential diagnosis in primary infantile glaucoma and other diseases with megalocornea is discussed.
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