The resulting increase in pressure within the eye can damage the optic nerve. Many people don't notice the blind spots until significant optic nerve damage has already occurred. If the entire nerve is destroyed, blindness results. Types of glaucoma Depending on the type of glaucoma, the pressure can occur in different ways. This causes intraocular pressure, which can damage the optic nerve and lead to vision loss.
Impaired visions is usually the first symptom most people notice.
Anyone with these symptoms should call an ophthalmologist quickly. Gone untreated, blindness can result. Although this type is unusual, people of Asian or Eskimo ancestry are at higher risk of developing it. As with other forms of glaucoma, age and family history are also risk factors, and the problem seems to occur in older women more often than others. A primary condition is one that cannot be attributed to any known cause.