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Heparin surface-modified IOLとsur—face passivated IOLの2種類の表面処理IOLと従来の表面無処理のPMMA IOLを超音波乳化吸引術を行った各30眼に嚢内移植し,6〜17か月の経過観察を行った。観察項目は,術後視力,レーザーフレアーセルメーターによるフォトンカウント値,細隙灯顕微鏡検査によるIOL表面の細胞および色素付着,虹彩後癒着,フィブリン析出,前嚢と後嚢の混濁,眼底検査によるCME発生の有無とした。この3群間の比較において,2種類の表面処理IOLは従来のIOLに比べ良好な結果を得,生体適合性が高い傾向がみられた。
We evaluated the biocompatibility of 3 kinds of IOL: heparin surface-modified PMMA IOL, sur-face passivated PMMA IOL and surface untreated PMMA IOL.
The study consisted of 3 groups of 30 eyes each receiving different IOLs. We followed up the eyes for over 6 months postoperatively.
The clinical evaluation was done about visual acuity, the aqueous flare intensity by a laser flare cell meter, cell and pigment deposits on the IOLs, synechia, fibrinous exudate, anterior and posterior capsule opacification by a slitlamp, cystoid macular edema by an ophthalmoscope.
As a result, heparin surface-modified IOLs and surface passivated IOLs had good clinical results and were considered more biocompatible than sur-face untreated IOLs.
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