some tips to follow in regular life are:
1.the distance between you and pc should be minimum 30 cm
2.angle between you eye and pc should be minimum 45 degree
3.don't get tensed for even small thing,because while you tense 33 nerval systems works lead to many diseases
1.the distance between you and pc should be minimum 30 cm
2.angle between you eye and pc should be minimum 45 degree
3.don't get tensed for even small thing,because while you tense 33 nerval systems works lead to many diseases
