Weonlyhavetwoeyes.Withoutthem,wecan'tseeanyting.Soit'sveryimportantforustoprotectoureyes.Therearemanywaystokeepoureyeshealthy.First,don'treadbooksornewspapersfortoolong.Second,don'treadbooksinthestrongsunorthelightistooweakbecauseit'sbadforoureyes.Third,we'dbetterkeepdoingeyeexercisesandlookatthegreenthingswhenwefeeltired.