It seems to be weird and beyond belief, but no matter how slim the chance it is, the probability is still existed. As we all know, smoking weed contains nicotine obviously, although, which produces a feeling of well-being in the smoker and make them become addicted to it, it's adversely affects the functioning of the heart and arteries even eyes in fact. Long term smoking will absolutely lead to the risk of cataracts and macular degeneration. What's worse, the probability of developing age-related macular degeneration is greatly increased for people who smoke. A survey shows that the rate of smoking people getting macular degeneration is double than non smoking people. Some people with severe age-related macular degeneration even lead blindness. Accordingly, just keep smoking away from your life in consideration of your health.
Well, yes, smoking can lead to blindness. According to some researches, smokers are twice as likely as non-smokers to one day lose their sight. First, you should know that smoking is a proven cause of Age-Related Macular Degeneration (ARMD), which is the leading cause of vision loss. So it can be very dangerous to smoke. Also, you should know that if you keep smoking, it will not only do a lot of harm to your eyes. For long term effects, it can lead to lazy eyes, and hearing loss. And also, smokers may develop toxic amblyopic problem. it can degrade the night vision. So it can be kind of dangerous. Anyway, just quit smoking. Or it can be dangerous for you.
Well, it seems that you are addicted to smoking weed. So, as a matter of fact, smoking weed could give rise to a lot of serious problems, including a dramatic decrease in your eye health and vision, sometimes it could indeed lead to blindness, because it causes an awful lot of damage to your visual nervous system and impair your vision and nerves. Anyway, you should smoke less of them and better yet find an alternative.