Yes, to a certain extent, it can be said so. However, this kind of view that smoke weed cause dry eyes has some limitations, overall it is not scientific. Dry eyes also can be said "eye conjunctival xerosis", it is not a single disease, but by several different causes. Now social computers, air conditioning and contact lenses are widely used, making the incidence of dry eyes rise sharply. In addition, environmental factors, including smoke, ultraviolet, air pollution, high temperature, air conditioning and the dry climate can increase the tear evaporation, causing dry eyes. So, smoking can be divided into this category.