角膜

角膜,是眼球最前方的透明多層組織,其作用為:

初步集中進入眼球內的光
防止異物進入眼球角膜位於虹膜、瞳孔及前房前方,並為眼睛提供2/3的屈光力(角膜的屈光力是眼球中最強),進入眼球的光在經過角膜後,通過晶狀體的折射,光線(影像)便可以聚焦在視網膜上。 --來自 維基百科


  • Confirm
  • .

2015/07/21 | Yang

On Contact Lenses; Taipei Mayor says, 'The law isn't a reference‘

The Mayor of Taipei says the requirement of prescriptions for buying contact lenses was already issued in 1975, and since the Ministry of Health and Welfare has made a statement, the city government should follow through.