THREE CASES OF THE MORNING GLORY SYNDROME

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Abstract
Three cases of Morning Glory syndrome are described, two of which were unilateral, one bilateral. Ophthalmoscopy revealed an enlarged optic disc, surrounded by a typical elevated zone showing scattered pigmentations. Vascular anomalies were observed in and around the optic disc as well as more peripherally. Both narrow and larger abnormal blood vessels were seen. The narrow pathological vessels were better demonstrated by fluorescein angiography than by ophthalmoscopy. No pathognomonic vascular changes were discovered. In one eye the retinal pigmentation was sparse peripherally, with a distinct demarcation against the more normal pigmentation seen posteriorly. All affected eyes were myopic, which seems to suggest that this error of refraction may be a characteristic of the Morning Glory syndrome. The anomaly does not necessarily cause marked diminution of vision. Ectatic portions of the bulb were discovered ophthalmoscopically. The Morning Glory syndrome appears to be a malformation involving not exclusively the blood vessels and optic disc.

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