an incision of the lens of the eye, as for removal of cataract.
Origin: 1640–50; < LL dīscissiōn- (s. of dīscissiō) division, separation, equiv. to L dīsciss(us) torn apart, ptp. of dīscindere (dī-di-2+ scissus torn) + -iōn--ion; see scission
Main Entry: dis·cis·sion Pronunciation: d&-'sish-&n, -'sizh- Function: noun : an incision (as in treating cataract) of the capsule ofthe lens of the eye
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.