Objective: To study the higher order aberrations of emmetropic and ametropic eyes with wavefront aberrometer.
目的：借助波阵面像差仪研究正视眼及屈光不正眼的高阶像差。
Conclusion: significant increases in aberrations were recorded by a Hartmann-Shack aberrometer soon after a blink in dry-eye patients, while those didn't changes significantly in normal eyes.
结论：干眼症患者的波前像差可在瞬目后较短时间内明显增高，而正常人变化并不明显。
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