| The Results in LASIK According to The Use of The Fixation Ring and The Accuracy of The Focusing Beam. |
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Woo Ho Nam, Kyung Hyun Jin |
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Department of Ophthalmology, Kyung Hee University College of Medicine, Korea. khjinmd@khmc.or.kr |
| LASIK수술 중 각막기질면에 대한 초점광선의 정확도와 고정고리의 사용에 따른 술 후 결과 |
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남우호 ( Woo Ho Nam ) , 진경현 ( Kyung Hyun Jin ) |
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| Abstract |
PURPOSE
In order to know the effects of inaccurate laser shot of vertical or horizontal direction, we evaluated the clinical results of LASIK according to the use of fixation ring and the accuracy of the focusing beam on the corneal stromal bed. METHODS: LASIK was performed in 73 eyes with one surgeon between April, 2001 and January, 2002 were divided into two groups: those who exceeded -6.00D were high myopia group (37 eyes), and those who did not were low myopia group (36 eyes). We retrospectively analyzed the results of the LASIK in two methods, the one is the evaluation of the vertical directional error with the accuracy of the focusing beam and the other is the horizontal error with the use of fixation ring. We measured the preoperative and postoperative uncorrected visual acuity, spherical equivalent, and the postoperative predictability. RESULTS: There was no significant statistical difference in the spherical equivalent, uncorrected visual acuity, postoperative predictability between the use and nonuse of fixation ring and good and bad accuracy of focusing beam in high myopia and low myopia (P>0.05). CONCLUSIONS: These results suggest that a little difference in the accuracy of focusing beam on the corneal stromal bed and the use of fixation ring would not affect the clinical result after LASIK. |
| Key Words:
Fixation ring;Focusing beam;LASIK |
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