There’s a proper way to be safe when using computers if not there are health risks you might face if not used correctly . A few examples of the health risks are eye problems,headaches,stress or fatigue and upper limb disorders.
Keyboard should be placed in sufficient space to support the wrists.Wrist supports prevent ligamnet sprain.
Chair should be fully adjustable and the top of the screen at eye
Foot rest should also be provided.
Screen image clear,stable and free from glare or reflections.
Make sure to use a computer as safely as you can.