Do you still smoke? It is time to quit. Although you probably are aware of the lung damage you are causing, your poor eyes are being affected too. Anyone who smokes long term is at higher risk of eye damage. Quit right now and your eyes will be thankful.
Wear sunglasses for eye protection. UV rays can cause damage to your eyes. When choosing sunglasses, go with a pair that protects against UV rays. They cost a little more, but will protect your eyes.
Don't strain the eyes for too long. When you strain your vision and focus on something, such as a computer or television screen, you typically forget to blink as much as you should. When you don't blink enough, it means your eyes are getting the lubrication they need, which can lead to more serious problems.