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An experimental study of fibrinous mem-bane formation on posterior chamber intraocular lens / 眼科
Ophthalmology in China ; (6)1993.
Article in Chinese | WPRIM | ID: wpr-536245
ABSTRACT
The pathological changes and morphological features of fibrinous membrane formation on the posterior chamber lens were studied in rabbits with Irj ght microscopy and scanning electron microscopy. It was found that there were fibrinous membrane, inflammatory cells and pigment deposits on the intraocular lens (IOL) surface. On the 1st postoperative day fi rinous membrane on IOL was formed, on the 7th postoperative day enlarged markedly, on the 14th postoperative day reduced in size. It is und fothat the fibrinous exudate is the basic constituent of the membrane. The membrane on the surface of IOL is composed of fibrin along with macrophages, fibroblastlike cells and giant cells,and eventually fibrosis occurs. The fibrinous membrane and inflmmatory cells on IOL accumulate primarily on the lens edge, optical portion, positioning hole of IOL, and haptic-optic junction. It is suggestedthat fibrinous membrane formation on IOL is closely related to the irritation of PMMA IOL, the breakdown of blood-aqueous barrier and the immune response.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Ophthalmology in China Year: 1993 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Ophthalmology in China Year: 1993 Type: Article