People with a family history of glaucoma. Five times more likely to occur in Blacks than in Whites. About four times more likely to cause blindness in Blacks than in Whites. Fifteen times more likely to cause blindness in Blacks between the ages of 45-64 than in Whites of the same age group. At first, there are no symptoms.
Vision stays normal, and there is no pain.
However, as the disease progresses, a person with glaucoma may notice his or her side vision gradually failing. That is, objects in front may still be seen clearly, but objects to the side may be missed. As the disease worsens, the field of vision narrows and blindness results. But, this test alone cannot detect glaucoma. Glaucoma is found most often during an eye examination through dilated pupils.