from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A device used for
freezingand grinding human corneal tissueinto different refractivepowers.
from Wiktionary, Creative Commons Attribution/Share-Alike License
He had pioneered Refractive keratoplasty with the cryolathe in India and cryoextraction in the 1960s, and under his guidance many other innovations were made by his centre.
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