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z????????

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?(Cornea)??????????1/6?L???L????????11.04mm??10.05mm???10.13mm??10.08mm3??????????4mm???????????????????????7.8mm??7.7mm????6.22-6.8mm?????????0.5mm????1mm

???????(epithelium)?(lamina elastica anterior?Bowman?)?(stroma)(lamina elastica porterior?Descemet?)??(endothelium)???50um???105-6????...

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1. ?LASIKIK

??????LASIK????????????????????????,????k?????????????????????????????

2. LASEK (EK )

LASEK???????,??LASIK??? LASEK?????????

LASEK??????????????????????????????LASIK

?LASEK?????LASIK????????????????RK???????????????

3??B.S.L

??????????IKEK??????????????IK????????...

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1.???????????????
2.?36????6????
3.???????????????
4.??????????????????
5.??PRK????
6.??PRK???1-3???????
7.??LASIK?????
8.???????????
9.????????????????
10.??????????????????3-6???
11.????40???????????????????
12.????1.0?????
,??.?????
???????? ??????
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????? (?)?
????????
1.?(curvature astigmatism) ???????????????????????????????0.2D???????????
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2.??(astigmatism of optical decentration) ????????????????????????
3.??(index astigmatism) ??I??????????^??????????
()
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