Schwartz et al identified risk factors for amblyopia (reduced visual acuity) in a child with a capillary hemangioma of the orbit or eyelid. The authors are from North Shore-Long Island Jewish Health Systems in New York.
A hemangioma of the orbit or eyelid can cause amblyopia due to:
(1) strabismus
(2) ptosis
(3) proptosis
(4) globe displacement
(5) pupillary occlusion
(6) anisometropic amblyopia
(7) lid margin changes
Risk factors for amblyopia:
(1) an hemangioma measuring more than 1 cm in diameter
(2) diffuse hemangioma
(3) PHACES syndrome (posterior fossa brain malformaion, hemangioma, cardiac anomalies, coarctation of the aorta, eye anomalies, sternal cleft)
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