医药科学

• 老视

  Objective: To observe the primary result of laser presbyopia reversal (LAPR)surgery and investigate its mechanism.

  目的 观察激光老视逆转术(LAPR)的初步临床效果，并探讨其矫正老视的机制。

• 远视眼

• 老花眼

• 老化眼

物理学

• 老视

  Firstly, various kinds of presbyopia lenses is reviewed and compared. The basic feature and principle of the PAL are introduced and the difference between the characteristics of hard design and soft design is described as well.

  首先，概述和比较不同的老视矫正镜片，介绍渐变镜片的基本结构特征和矫正原理，比较分析软设计和硬设计之间的区别。

生物学

• 老视

• 花眼