As some studies said, there has more than 750 kinds of chemical contains within cigarette smoke, most of them are toxic substance. It is bad for eyes. Amblyopic or weak sight will also be one of the affect which has been called toxic weak sight, the result will be view lessening, and discrepancies of red, green colors. The whole eyes sight will be affected by the smoking of toxic substance, how do you think about your night vision? Even the smoke itself may cause the infection of eyes or tears. You will feel foreign body on your eyes in the environment of smoking, no matter the active or passive smoking. Therefore, if you want to have a wonderful eye sight, you may get rid of smoking no matter in the daytime or at night.
Be sure you are getting enough vitamin A or its precursor beta-carotene in your diet (needed for the visual purple).
Yes, smoking is really bad for your healthy, also, to your night vision. Besides, if you want to keep good night vision, you shall tale more vegetables such green leafy stuff. Also, carrots but spinach or dark leaf lettuce are also good for your eyes. And food contain rich vitamin A are recommend to keep health eyes. In addition, you shall also keep your blood sugar level as even as possible. Hope this can help you.
Ok, it seems that finally you began to take care of your eyes. So, it is true that smoking could give rise to a lot of consequences, including problems with your precious eyes. Well, that is not a problem anyway, as long as you quit smoking or smoke less. Indeed, smoking could make your vision worse smoking affect our body, which decide the conditions of other parts or organs. So, your eyes and visual nerves could be affected. So just try to quit it and take more exercise and vitamin pills from time to time.
Yes, smoking a lot will affect your night vision. At the same time, it will be bad for your health. Smoking a lot will make your teeth become yellow. In order to improve your night vision, you could eat more food with vitamin A. You should have the good rest for the eyes and have the good habit of using your eyes. You need to protect the eyes carefully, not smoking or drinking which may stimulate the eyes nerves to some degree.
walkinginstars you are incompetent Tobacco alcohol amblyopia is an outdated term for a rare condition characterized by visual impairment due to tobacco and alcohol abuse usually associated with nutritional deficiencies. The more accurate term used now is Nutritional Optic Neuropathy. https://www.sciencedirect.com/science/article/pii/S0022510X13000816
Tobaco alone not cause amblyopia