It is true that glaucoma may lead to blindness. However, not all glaucoma may cause the blindness. If your glaucoma is found early and treated as soon as possible, it will be cured. If it is so serious and when the pupils get the full white because of the infection, it will cause the blindness. Thus, you should take notice of such eye disease.
Glaucoma can damage the optic nerve of the eyes and lead to vision loss and blindness. If you suffer from glaucoma, you should see your eye care professional regularly to protect yourself against vision loss avoid the hazard of becoming blind. But if you leave glaucoma untreated, it will result in blindness eventually.