低视力和眼镜式低视力助视器

Low Eyesight and Spectacles Type Viewing Aids for Low Eyesight

本文阐述了低视力的概念,分析了低视力增视的光学原理,介绍了一种国内最新研制成功的远近两用系列和专用近用系列眼镜式助视器,并以若干临床病例说明了该助视器的使用效果。

The concept of low eyesight is explained, and the Optical principle of addingthe sight of low eyesight is analysed. A latest developed spectacles type viewingaids is shown. It is divided into two series. One of them is for far and near use,another is for special use and near use. Some clinical cases shows the results ofusing that viewing aids.