Kala Chashma May Look Cool, But It Doesn't Stop Spread Of Conjunctivitis While wearing sunglasses (kala chashma) might make you look stylish, they won't prevent the spread of conjunctivitis. Conjunctivitis, commonly known as pink eye, is an eye infection that can be caused by viruses, bacteria, allergens, or irritants. It's important to take precautions to avoid spreading or contracti...