1. Incision or cutting through a part. 2. In ophthalmology, opening of the capsule and breaking up of the cortex of the lens with a needle knife or laser. [L. di- scindo, pp. -scissus, to tear asunder]

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dis·cis·sion də-'sish-ən, -'sizh- n an incision (as in treating cataract) of the capsule of the lens of the eye

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an obsolete operation for cataract in which the lens capsule was ruptured by a fine knife or needle to allow the substance of the lens to be absorbed naturally into the surrounding fluid of the eye.

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dis·cis·sion (dĭ-sizhґən) [L. discissio; dis- apart + scindere to cut] incision, or cutting into, as of a soft cataract.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Discission — (v. lat. Discissio), Zerschneidung; so D. cataractae (Cataractonyxis), Zerschneidung, Zerstückelung des Grauen Staares …   Pierer's Universal-Lexikon

  • discission — /di sish euhn/, n. Ophthalm. an incision of the lens of the eye, as for removal of cataract. [1640 50; < LL discission (s. of discissio) division, separation, equiv. to L disciss(us) torn apart, ptp. of discindere (di DI 2 + scissus torn) + ion… …   Universalium

  • discission — də̇ˈsishən noun ( s) Etymology: Late Latin discission , discissio act of cutting apart, from Latin discissus (past participle of discindere to cut apart, from di from dis apart + scindere to cut, split) + ion , io ion more at dis , shed : an… …   Useful english dictionary

  • discission — noun incision, especially of a soft cataract …   Wiktionary

  • discission — dis·cis·sion …   English syllables

  • discission —   n. incision; open cut …   Dictionary of difficult words

  • discission of cataract — an eye operation consisting of surgical rupturing of the lens capsule so that the aqueous humor may gain access to the lens …   Medical dictionary

  • discission needle — a special form of cataract needle …   Medical dictionary

  • Рассечение I (Discission) — применявшаяся ранее операция при катаракте, во время которой капсула хрусталика разрезалась тонким ножом или иглой для предоставления возможности веществу, находящемуся в хрусталике,естественно влиться в окружающую глаз жидкость. Источник:… …   Медицинские термины

  • posterior discission — incision of the capsule of a cataract from behind …   Medical dictionary

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