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方法:用检眼镜观察眼底时的视度盘调节,可以大概了解被检眼的屈光不正状态,但误差相当大,特别是较高度的屈光不正。本文介绍的用检眼镜作静态检影法具有较好的准确性和实用价值。它的方法是如下两种:一种是固定距离式,另一种是变动距离式。固定距离式的操作是,检者持检眼镜于被检眼前0.5米,通过空洞窥孔观察被检眼的瞳孔影光,插检光镜调整到被检眼瞳孔为全暗时即为中和。变动距离式操作是,检者持检眼镜于被检眼前0.5米左右,通过空洞窥孔观察被检瞳孔影光。如果影光为上暗下亮,则将检镜向前移,直至瞳孔下缘刚刚变暗即为中和。如果瞳孔影光为上亮下暗,则先在验光镜架上插上一片正球镜片(或者用列镜片),
Methods: ophthalmoscopy ophthalmoscopy ophthalmic disc adjustment, you can probably understand the refractive error of the eye to be seized, but the error is quite large, especially at a higher degree of refractive error. This article describes the ophthalmoscope for static retinoscopy has good accuracy and practical value. Its method is the following two kinds: One is the fixed distance type, the other is the variable distance type. Fixed-distance operation is, the seizure of the holding glasses to be seized in front of 0.5 meters, peepholes through the hole to observe the pupil of the eye to be seized, plug the septum adjusted to the pupil to be seized when the dusp is the total dark . Change the distance operation is, the seizure of the holding eyeglasses seized in front of the eye 0.5 meters or so, was observed through the hole peephole was pupil light. If the shadow of light on the dark, then the mirror forward, until just under the pupil dimming is neutralized. If the pupil shadow light on the dark, the first frame in the optometry inserted a positive lens (or column lenses),