Glaucoma is a disease in which the optic nerve is gradually damaged, eventually leading to blindness.
Nevertheless, most people mistake it for presbyopia or eye strain.

If left untreated, by the time you notice it...
In some cases, the visual impairment can progress to the point where it interferes with daily life.

To prevent blindness,
Early detection andinitiation of treatment for glaucoma
It's important to keep at it consistently.