computer vision syndrome
is a name given to a group or collection of ocular symptoms arising from prolonged sitting in front of computer or laptop screens.tiredness
, dryness,discomfort,eyeache,headache are all such symptoms.
Firstly there is NO PERMANENT EFFECT on vision.
Secondly glasses may be needed in middle age (around 40 yrs or more) for computer and near work.
Thirdly although there is no permanent damage or harm to the eyes one should take steps to avoid the symptoms so as to be more comfortable