How To Use Viscotears Viscotears contains the active ingredient Carbomer. Carbomer is a synthetic polymer that is used to relieve dryness, soreness & redness of the eye. Viscotears helps to naturally lubricate the surface of the eye & leaves a protective film over the eye, eliminating discomfort & making the eye feel more comfortable. Adults aged 18 & over & elderly; 1 drop to be administered into the eye 3 to 4 times a day or as directed by your doctor. Not to be used in children except under medical supervision. Do not wear contact lenses during application of Viscotears & wait at least 30 minutes after before reinserting lenses. Vision can be blurred after application of Viscotears, if this happens, do not drive or operate machinery until your sight is normal.