A one-month-old boy presented for severe intraventricular hemorrhage when an ophthalmology consult was requested for an abnormal red reflex in the left eye. Dilated fundus exam and fluorescein angiography revealed a tunica vasculosa lentis of the posterior lens surface with a patent hyaloid artery in both eyes. The eyes were of normal size; the lenses were clear; and the retinas fully vascularized and developed. The condition was diagnosed as mild persistent fetal vasculature, and the patient was observed.
At the six-month follow-up, the tunica vasculosa lentis had regressed, and the patient was fixating and following.
Top left: Right eye, posterior pole, focused on “knot” in patent hyaloid artery.
Top right: Right eye, nasal to disc, focused on posterior surface of the lens.
Bottom left: Left eye, inferotemporal, focused on retina, out-of-focus patent hyaloids visible in image.
Bottom right: Left eye, inferotemporal, focused on posterior surface of the lens, showing the extent of the tunica vasculosa lentis.
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