True, Glaucoma is a group of diseases that cause damage to the retina. glaucoma usually damages the optic nerve that carries images from the retina and the end result will be vision loss or blindness. Most of the people the experience glaucoma are the elders, but this kind of disease can be detected and treated at an early stage. the two most common types of glaucoma are the open-angle glaucoma and angle-closure glaucoma, warning signs of having a possible glaucoma includes double vision, seeing spots or ghostly like images, sudden blurred or loss of vision.
