Summer's almost here, so beware the brightest of sunlight! To protect your eyesight, the most important recommendation you need to follow is to wear sunglasses that block ultraviolet radiation whenever you go outside during daylight hours, according to the National Eye Institute. This is true for everyone, no matter what age, year round.


원문출처 : http://www.cnn.com/2017/05/30/health/sunglasses-uv/index.html