It is widely known that smoking could give rise to a lot of consequences which could deteriorate our health conditions, including our eyes, which could generate poor vision, even cataract,etc. So, uveitis could be possibly resulted from smoking. So you'd better try to smoke less and take more exercises and vitamins, and healthy food.
Smoking is bad for the health, including the eyes. It may cause the eyes to become yellow because of the damage on the liver. Smoking will make the immune system in the whole body decrease which will easily lead to uveitis because of the coming invisible bacterium. You should smoke less and have good rest for the eyes. You could use some eyes drops and warm compress to make your eyes feel comfortable.