An opaque area or scar on the cornea of an eye.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "leucoma" in a sentence
"- Medicine, white spot on cornea of eye; leucoma; Botany, white rust."
"Many of the alb-words are of course quite rare, or only in specialized* use, in English: albata ["white metal, German silver", SOED]; albugo ["=leucoma"; note Greek leukos, white]; albaspine ["whitethorn, hawthorn"]; and albite ["Min."
"The next day he gave the following testimony: "I the undersigned, can certify on oath, that five years ago, I examined Mary Côté's eyes, and found that the small-pox had produced opacity of the cornea of both, or the disease called _leucoma_."