When we are working at a computer terminal, our eyes constantly react to the bright and dark points of light appearing on the screen, notes Zdrowie, a Polish health magazine.
Sewaktu kita bekerja di depan komputer, mata kita secara terus - menerus bereaksi terhadap titik - titik cahaya terang dan gelap yang muncul di layar, kata Zdrowie, majalah kesehatan Polandia.