Safety Precautions Not All Exercises are suitable for everyone. A Big NO-NO to contact lens during these eye exercises. They may prove to be very dangerous Wash your hands before doing these exercises to avoid getting irritants in your eye. When doing these exercises, make sure that you're not facing anybody, or that they know you're doing eye exercises. Otherwise they might think you've gone nuts. Consult your optometrist (eye doctor) before doing any of these exercises. The last thing you want to do is add further strain to your eyes, or damage them permanently Do not apply pressure on your eyes. Never put sharp objects in your eyes. Never look into the sun directly or with a telescope. Never rub your eyes too much. Never put salt in your eyes.