Abstract
As with Bergmeister’s papilla, failure of total reabsorption of the intravitreal portion of the hyaloid system produces a persistent hyaloid artery. In children, as in adults, the vessel does not usually contain blood, and so the risk of hemorrhage is practically nonexistent. Persistence of the hyaloid artery is seen commonly in premature infants and should be kept in mind when performing surgery for stage 5 retinopathy of prematurity. The attachment of the artery to the posterior aspect of the lens is called a Mittendorf dot. Embryologically, the artery enters the posterior lens at this point. Upon atrophy of the artery, the capsule closes, and the arterial system recedes.
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Selected Reading
Delaney Jr WV (1980). Prepapillary hemorrhage and persistent hyaloid artery. Am J Ophthalmol 90: 419–421
Jack RL (1969). Ultrastructure of the hyaloid vascular system. Arch Ophthalmol 87: 555–567
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© 1993 Springer Science+Business Media New York
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Orellana, J., Friedman, A.H. (1993). Persistent Hyaloid Artery. In: Clinico-Pathological Atlas of Congenital Fundus Disorders. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-9320-7_21
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DOI: https://doi.org/10.1007/978-1-4613-9320-7_21
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4613-9322-1
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