Well, yes, in my opinion, smoking can just lead to retinal detachment in some degree. So you should ask your father quit it. Generally speaking, by smoking, it actually will be harmful to your health, not only the eyes, but also the body organs. In common, you should know that smoking can produce cyanide which is a retinal toxin. And according to some research, Smokers may develop toxic amblyopic problem. In that way, it may affect your sight, and lead to retinal detachment. And also, it can degrade the night vision. Anyway, it can be kind of dangerous. By the way, smoking can make bilirubin, which is a byproduct of old red blood cells. In that way, it cannot be filtered by the liver as efficiently. yellow eyes can be possible too.