- an incision of the lens of the eye, as for removal of cataract.
Origin of discission
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for discission
Discission, di-sish′un, n. an incision into a tumour or cataract.
After a cataract has been removed, either by discission or extraction, an opaque membrane is usually left.
Although the operation of discission for after-cataract (capsulotomy) is simple it is not to be undertaken lightly.
These are the same as for discission, with the addition of a needle with a long cutting edge.
The discission needle is made to pass behind the band whilst the cutting needle lies in front of it.
- med surgical incision, esp of a cataract
- The incision of or cutting through a part.
- An operation for soft cataracts in which the crystalline capsule is opened and the substance of the crystalline lens is broken up to allow it to be absorbed.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.