| The Change of Tear Flim after laser Epithelial keratomileusis and laser in situ keratomileusis. |
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Young Kyu Park, Nam Young Choi, Sun Ryang Bae, Choun Ki Joo |
1Department of Ophthalmology, Daejon St. Mary's Hospital College of Medicine, The Catholic University of Korea, Korea.
2Department of Ophthalmology, Kangnam St. Mary's Hospital College of Medicine, The Catholic University of Korea, Korea.ckjoo@cmc.cuk.ac.kr |
| LASEK, LASIK 후 눈물막의 변화 |
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박영규 ( Young Kyu Park. ) , 최남영 ( Nam Young Choi ) , 배선량 ( Sun Ryang Bae ) , 주천기 ( Choun Ki Joo ) |
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| Abstract |
PURPOSE
To compare the effects of laser epithelial keratomileusis(LASEK) and laser in situ keratomileusis(LASIK) on tear secretion and tear film stability. METHODS: Sixty two eyes went through photorefractive surgery including LASEK(26 eyes, 14 patients) or LASIK(36 eyes, 18 patients) by the same surgeon from January in 2000 to April in 2000. Tear secretion was measured with schirmer test and tear stability was measured with tear breakup time(BUT) preoperatively and 2 months after procedures. RESULTS: In the LASEK group, the preoperative mean values were BUT, 7.46 sec; Shirmer, 11.92 mm, and at postoperative 2 months, they were 6.62 sec and 9.31 mm, respectively. The difference was statistically insignificant(P=0.51, P=0.22). In the LASIK group, the preoperative mean values were BUT, 7.56 sec; Shirmer, 10.56 mm. At 2 months, they were 5.56 sec and 7 mm, respectively. The difference was statistically significant(P=0.02, P=0.02). CONCLUSIONS: Our result showed that tear secretion seemed to be significantly decreased after LASIK, but not after LASEK. |
| Key Words:
LASEK;LASIK;Tear secretion |
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