Abnormal corneal endothelium morphology Corneal keratic precipitates 2017-02-12T13:03:48Z An inflammatory cellular deposit deposited on the corneal endothelium and visible as spots on the cornea. Keratic precipitates may collect in a triangular pattern called Arit triangle with the base down on the lower part of theendothelial surface or may be distributed diffusely across the endothelium. If they are greasy in appearance, the term mutton fat keratic precipitate is used.