老花眼驾驶员通过凸面后视镜的视力。
Presbyopic drivers' vision through a convex rear view mirror.
作者信息
Fatt I, Wechsler S
机构信息
University of California-Berkeley, School of Optometry 94270.
出版信息
J Am Optom Assoc. 1994 Nov;65(11):796-7.
BACKGROUND
Monovision is a commonly used modality for the presbyope who wants to wear contact lenses. If the add for near vision is in the left eye, driving an automobile creates a circumstance whereby the lens wearer cannot obtain a clear image in that eye of distant objects seen in the driver's side outside rear view mirror.
METHODS
We have discovered that a stick-on convex mirror eliminates this problem by neutralizing either some or all of the power of the add.
RESULTS
The driver wearing an add in the left eye can then obtain a clear image in that eye of objects behind and to the side of the automobile.
背景
单眼视力矫正对于想要佩戴隐形眼镜的老花眼患者来说是一种常用的方法。如果用于近视力的附加度数在左眼，驾驶汽车时会出现这样一种情况，即隐形眼镜佩戴者无法用该眼清晰看到驾驶位一侧外后视镜中远处的物体。
方法
我们发现，粘贴式凸面镜通过抵消部分或全部附加度数的屈光力来消除这一问题。
结果
左眼佩戴附加度数镜片的驾驶员能够用该眼清晰看到汽车后方及侧面的物体。
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