双焦镜片的设计、应用和开发

本文通过对当今眼镜市场上传统产品的比较及配戴使用效果的分析，结合眼睛的调节与适应原理，引出一传统消费的误区，提出了一种眼镜消费的新空间即双焦镜片的应用开发。本文概述了双焦镜片设计的基本原理，并对符合眼睛调节的双焦镜片片形设计、光度调节以及像差理论进行了论证。结论是：双焦镜片可解决中老年眼疾患者看远近物体时需配戴两副不同光焦度眼镜的痛苦；双焦镜片同样适用于年轻人，可缓解眼睛的调节疲劳，防止度数的上升。充分开发双焦镜片的功能，对于卫生用眼，后天防治眼疾有着重要意义。

Application and development of the bifocal lenses design

Compared with the traditional spectracles products in such lines markets and analysed the effect of weavings, according to the adjustment and adequation principle of our eyes, a consumer misunderstand is led to, thus it makes to bring up a new spectacles in this version, the bifocal lenses. The instant version expends the basic principle of bifocal lenses design and makes the froofs for lenses shape suitable for eyes adjustment, photometric adjustment and optical abereation: bifocal lenses can make loder persons not to wear two pairs with different diopter seeing long and near distance; bifocal lenses also suit for young persons, it can alleviate eyes adjusted fatigue, in avoid to increase the powers. Developing the functions of bifocal lenses have important significance on eyes hygiene and prevention of aquired eye diseases.