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Vascular malformation in the eye refers to a localized abnormality of the blood vessels (arteries, veins, or capillaries) in or around the eyeball. These malformations are defects in the vascular structure that occur during foetal development.
read more about vascular malformation in the eye ...The cause is a defect in the formation of blood vessels during foetal life, leading to the creation of abnormal tangles or connections (arteriovenous malformations or AVMs). These AVMs cause blood to bypass the normal capillary network, leading to high pressure and congestion in the affected area. The malformation is congenital (present at birth).
Symptoms depend on the location. Malformations in the eyelid or orbit cause a visible, pulsatile (throbbing) mass, swelling, and pain. Malformations in the retina can cause bleeding, fluid leakage, and severe visual distortion or blind spots. Symptoms may not appear until young adulthood.
Vascular malformation severely impacts vision by causing hemorrhage, blockage, or structural pressure. A malformation in the retina can cause permanent vision loss. A large orbital malformation can lead to proptosis (bulging of the eye) and misalignment.
Wyburn-Mason Syndrome is a rare, systemic condition characterized by vascular malformations affecting the retina, the brain, and the face. The eye malformations seen in Wyburn-Mason Syndrome are one specific type of vascular malformation.
Management strategies focus on preventing rupture and managing symptoms. Treatment often involves laser photocoagulation or embolization (blocking the vessels with surgical material) to shrink the malformation. Surgery may be needed to remove orbital masses.
No, vascular malformations in the eye are rare.
The malformation itself is permanent, but symptoms are managed with surgical or laser treatment.
Yes, AVMs in the brain carry a significant risk of rupture (hemorrhagic stroke).
If you see a cluster of red, twisted vessels on the white of your eye, seek a neurological evaluation. This can be a sign of "Wyburn-Mason Syndrome," where vascular malformations exist in both the retina and the brain. A doctor will order an MRI to ensure there are no life-threatening AVMs near the brainstem.
AAO. Wyburn-Mason Syndrome (aao.org). 2024.
NINDS. Arteriovenous Malformations (ninds.nih.gov). 2024.
Mayo Clinic. Brain AVM Symptoms (mayoclinic.org). 2024.
StatPearls. Vascular Malformations (ncbi.nlm.nih.gov). 2024.