optic nerve hypoplasia

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op·tic nerve hy·po·pla·si·a

congenitally small optic disc resulting from a reduced number of retinal ganglion cells and, therefore, a reduced number of axons; visual impairment may be marked. See: de Morsier syndrome.
References in periodicals archive ?
The incidence of optic nerve hypoplasia appears to be on the rise.
Other causes of infantile nystagmus and VA reduction without iris abnormalities, like retinal dysplasia, congenital cataract, isolated optic nerve hypoplasia, or congenital infections, should also be considered [3].
Josh was mainly affected by optic nerve hypoplasia," said Joanne.
R RW (April 2001) has a 2-year-old son with optic nerve hypoplasia and is looking for toys that he will enjoy.
WHAT: Third Annual "Open Toe Shoe Party" to benefit The One Small Voice Foundation, a not-for-profit organization that funds research for the leading cause of blindness in children, optic nerve hypoplasia and hydrocephalus.
Mari also has cataracts, optic nerve hypoplasia and she is registered as being partially sighted.
POSTERIOR SEGMENT ABNORMALITIES: Optic nerve hypoplasia and foveal hypoplasia are common findings and these contribute to visual malfunction.
Reappraisal of the optic nerve hypoplasia syndrome.
In sensory defect IN, the associations are numerous and include achromatopsia, albinism (ocular and oculocutaneous), aniridia, neonatal cataracts, congenital stationary night blindness, colobomata, optic nerve hypoplasia, early optic atrophy, cone dysfunction, isolated foveal hypoplasia, retinopathy of prematurity, and Leber's congenital amaurosis.
Joshua Clark, who is 22 months old, has Optic Nerve Hypoplasia (ONH) - where small or poorly developed nerves connecting to the brain can cause blindness.
Joshua Clark, who is 22 months old, has optic nerve hypoplasia - a condition which means small or poorly developed nerves connecting to the brain can cause blindness.