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Determination of Intraocular Lens Tilt and Decentration Using Simple and Rapid Method

Determination of Intraocular Lens Tilt and Decentration Using Simple and Rapid Method
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摘要 Purpose: To determine the tilt and decentration of implanted intraocular lens (IOL) in vivo one year postoperatively.Methods : A retrospective study was performed on 67 eyes by the method introduced by Guy-ton using the third and fourth Purkinje imagesm through undilated pupil. Results : The average decentration of implanted IOL was 0.68 mm, and the average tilt was 6.03°. The result was similar to the histopadiological study in postmortem eyes and the measurement in vivo.Linear-regression analysis showed there was no relationship between the tilt and decentration and the residual astigmatism ,axial length ,IOL power,etc. Conclusion: The result is similar to the other methods. The method using the third and fourth Purkinje images is simple and easy to perform. It can be used for determining the IOL position through undilated pupil and does not require special apparatus. Eye Science 1998; 14: 13 - 16. Purpose: To determine the tilt and decentration of implanted intraocular lens (IOL) in vivo one year postoperatively. Methods : A retrospective study was performed on 67 eyes by the method introduced by Guy-ton using the third and fourth Purkinje imagesm through undilated pupil. Results : The average decentration of implanted IOL was 0.68 mm, and the average tilt was 6.03°. The result was similar to the histopadiological study in postmortem eyes and the measurement in vivo.Linear-regression analysis showed there was no relationship between the tilt and decentration and the residual astigmatism ,axial length ,IOL power,etc. Conclusion: The result is similar to the other methods. The method using the third and fourth Purkinje images is simple and easy to perform. It can be used for determining the IOL position through undilated pupil and does not require special apparatus. Eye Science 1998; 14: 13 - 16.
出处 《眼科学报》 1998年第1期13-16,共4页 Eye Science
关键词 斜视 散视 浦肯雅反射 晶状体 intraocular lens, tilt, decentration, Purkinje image
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