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題 名 | Keratometric Astigmatism after Cataract Surgery Using Small Self-Sealing Scleral Incision=使用自行癒合鞏膜微小切口之白內障手術術後之角膜彎度計散光變化 |
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作 者 | 陳以晟; 吳秀琛; | 書刊名 | 長庚醫學 |
卷 期 | 24:1 2001.01[民90.01] |
頁 次 | 頁19-26 |
分類號 | 416.744 |
關鍵詞 | 散光; 人工水晶體; 角膜彎度計散光; 水晶體乳化術; 自行癒合切口; 無縫線手術; Astigmatism; Intraocular lens; Keratometric cylinder; Phacoemulsification; Self-sealing incision; Sutureless surgery; |
語 文 | 英文(English) |
英文摘要 | Background: To evaluate the corneal refractive changes after a small self-sealing scleral wound. Methods: A 4 mm self-sealing scleral tunnel incision and implantation of a foldable intraocular lens were adopted during phacoemulsification. A retrospective review of 48 consecutive isolated eyes in 48 patients was performed to assess the postoperative corneal refractive change. Keratometric readings were recorded for 3 months following surgery. Results: At one week postoperatively there was a -0.29!O1.02 (standard deviation) change of Naeser's polar value (against-the-rule shift) in the cylinder keratometry. The cylinder had with-the-rule shift and recovered to the preoperative state at one month postoperatively. The change of Naeser's polar value at the third postoperative month was 0.05!O0.80 (with-the-rule shift) compared with the preoperative polar value. The change of astigmatism at the third postoperative month was -0.38!O0.74 (Diopters) using simple subtraction and -1.01!O0.58 (Diopters) using the Jaffe vector analysis. The axis of astigmatism exhibited a mild against-the-wound shift at 1 week and a gradual with-the-wound shift afterwards. Conclusion: The low induced astigmatism, early recovery of corneal curvature and no direct damage to the cornea support the concept and justify the use of a small self-sealing scleral tunnel incision during cataract surgery.(Chang Gung Med J 2001;24:19-26) |
本系統中英文摘要資訊取自各篇刊載內容。