has part has part characteristic of inheres in has modifier Microcornea HP:0000482 HP:0100688 Note that the cornea's diameter is normally about 9.5-10.0 mm at birth and reaches 10.0-12-5 mm in adulthood. A congenital abnormality of the cornea in which the cornea and the anterior segment of the eye are smaller than normal. The horizontal diameter of the cornea does not reach 10 mm even in adulthood. Decreased corneal diameter Cornea of eye less than 10mm in diameter Abnormality of corneal size abnormal decreased size cornea