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Syndrome of "morning light"
Medical expert of the article
Last reviewed: 20.11.2021
Syndrome of "morning light" is a very rare, usually one-sided sporadic condition. Bilateral cases of the disease (even more rare) can be hereditary.
Symptoms
- Visual acuity is usually very low.
- The disk is enlarged with funnel-shaped excavation.
- The islet of whitish glial tissue, which is a persistent primary vitreous body, lies on the bottom of the excavation.
- The disk is surrounded by an elevated chorioretinal ring with a pigmentation disorder.
- Blood vessels emerge from the edge of the excavation radially, like "spokes in the wheel. The number of them is increased, and it is difficult to distinguish arteries from veins.
Complications: in 30% of cases, serous retinal detachment develops.
Systemic manifestations
Systemic manifestations are rare.
Frontonasal dysplasia is most important. It is characterized by a complex of malformation.
- Anomalies of the facial skeleton, including hypertelorism, concave bridge of nose, cleft lip and hard palate.
- Nasal encephalocele, absence of corpus callosum and pituitary insufficiency.
Type II neurofibromatosis is rare.
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