目的：比较正常人与临床怀疑干眼症患者干眼仪泪膜图象及泪液分泌量的变化。
AIM: To compare the image of lacrimal film and the change of the quantity of tear fluid between normal population and clinically suspected xerophthalmia patients.
目的：比较正常人与不同类型精神分裂症患者对不同色光临界闪烁视频率的反应特征与差异。
AIM: To compare the reflection feature and difference of critical twinkle visual frequency for different color of light in normal persons and patients with different type of schizophrenics.
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