CRT的原理就是根据近视度数来物理压迫，

来源: 于 2013-03-13 08:51:45 [旧帖] [给我悄悄话] 本文已被阅读：次

压迫 - press the curve.  If press hard every day, the muscle lose the flexibility.

That's why my son take it alternative day - Monday, Wednesday, Friday OFF.  So 4days ON for the week.

That's my 50-50 solution.