Here’s another good reason to quit the nicotine habit–smoking has been found to cause vision loss. Cataracts, for example, are very common among smokers. This condition refers to the clouding of the lens of the eyes.This is one of the most common causes of blindness in any part of the world. Smoking increases your risk of cataract by 50 percent.
Smoking also causes age-related macular degeneration, a vision condition affecting the central part of the retina. This leads to impairment of central vision, and can cause a person to have blind spots. These are just two of the many vision problems caused by smoking.