…Pathological conditions are caused by retinal breaks, exudates due to uveitis, or bleeding or proliferation due to vascular disease in the fundus, and are the subject of treatment. On the other hand, non-pathological conditions are caused by the vitreous membrane in contact with the retina peeling off and floating up (vitreous detachment), or by the separation of fibrous components and water (syneresis) causing the vitreous fibers to become uneven. These are physiological phenomena associated with aging, so treatment is meaningless. … *Some terminology explanations that mention "syneresis" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…病的なものは,網膜裂孔形成,ぶどう膜炎による滲出物や,眼底血管病変による出血や増殖物などが原因となって起こり,治療の対象となる。一方,病的でないものは,網膜に接した硝子体膜がはがれて浮きあがる状態(硝子体剝離(はくり)vitreous detachment)になったり,繊維成分と水分との分離(シネレシスsyneresis)によって硝子体繊維が不均一になることが原因である。これらは老化に伴う生理的現象なので,治療は無意味である。… ※「syneresis」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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