Congenital Orbital Conditions
The human eye goes through a complex program during embryonic development. Problems in this crucial developmental process can lead to congenital eye malformations, such as:
Anophthalmia
Child is born without one or both eyes.
Microphthalmia
One or both eyeballs are abnormally small. In some cases, it may appear as if the eyeball is completely missing.
Coloboma
Failure of the optic fissure to close.
Aniridia
Absent or partial iris.
Optic Nerve Hypoplasia
underdeveloped optic nerve