Abstract
Routine ophthalmic examinations of 600 full-term neonates, including 54 born to mothers with insulin-dependent diabetes mellitus and 12 whose mothers had developed gestational diabetes, revealed significant tortuosity and dilatation of the iris vessels in over half of the infants born to diabetic mothers. Ninety percent of the newborns in the diabetic group presented hypoplasia of the iris stroma and pupil dynamics were altered in 85%. The vessel changes resolved spontaneously within 2 weeks after birth. These changes, which have also been observed in cocaine-intoxicated newborns, should raise the suspicion of adverse vascular effects in the fetus caused by maternal diabetes.
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