"I drink a lot of coffee and/or alcohol, and/or I smoke."
If your diet includes a lot of caffeine or alcohol or you don't drink enough water, your eyes may be too dry for contact lens wear. Dry eyes also may cause other problems, such as eye twitching.
Changing your diet can help, and your doctor may recommend flaxseed oil or other nutritional supplements to improve the quality of your tears.
Page updated January 2021