+ Use an ergonomic chair specially made for this purpose.
+ Sit upright with feet resting flat on the floor and a support for the wrists.
+ Monitor should be 50 cm away from the eyes and adjusted to eye level.
+ Take breaks for about 5 minutes every hour.
+ Rest your eyes by looking into the distance now and then.
+ Clench your fingers and release to relax the small muscles of the hand.