India, June 19 -- Smoking is a major health hazard, and the first repercussions that usually come to mind are related to the lungs or heart, whether life-threatening conditions such as lung cancer, stroke and heart attack, or chronic illnesses like Chronic Obstructive Pulmonary Disease (COPD.)ALSO READ: Smoking in your 20s and 30s? Cardiologist reveals early heart damage you may not feel yet: 'Even few cigarettes can.'

But the dangerous effects of smoking can extend to other organs and physiological systems, too. Smoking affects the entire body, not only the lungs, which makes sense because the body's systems are deeply interconnected. Your eyesight is in danger, too!

Dr Sanjay Gandhi, cataract, LASIK, and glaucoma surgeon at SRG Eye Ho...