Woldoff H S, Stumpf J G
Ann Ophthalmol. 1978 Feb;10(2):138-42.
A description of a lightweight small pupil binocular indirect ophthalmoscope is presented. This instrument can be used with well dilated pupils and clear media as any stereoscopic indirect ophthalmoscope. However, the instrument can be simply and easily adjusted for usage in patients with small pupils or opacities of the media. The optical and mechanical principles employed are presented. The technique of utilization for small pupil viewing is outlined.
介绍了一种轻便型小瞳孔双目间接检眼镜。该仪器可用于瞳孔充分散大且介质清晰的情况，如同任何立体间接检眼镜一样。然而，该仪器可以简单轻松地进行调整，以用于小瞳孔患者或介质混浊的患者。文中介绍了所采用的光学和机械原理。概述了小瞳孔观察的使用技术。
