has part has part characteristic of inheres in has modifier Flat cornea HP:0007720 Cornea plana UMLS:C0344529 Cornea plana is an abnormally flat shape of the cornea such that the normal protrusion of the cornea from the sclera is missing. The reduced corneal curvature can lead to hyperopia, and a hazy corneal limbus and arcus lipoides may develop at an early age. SNOMEDCT_US:204145006 Abnormality of the curvature of the cornea flat abnormal cornea