Your eye doctor utilizes a variety of diagnostic tools to determine if you have glaucoma, often before any symptoms appear. Here is an overview of these important tests: The tonometer is used to ...

Depending on the type of glaucoma, people typically have no symptoms in the early stages. However, once damage occurs to the optic nerve, people may notice blind spots, particularly in their ...

Hemianopia is a loss of half a person’s peripheral vision. This means a person loses the right half or left half of vision in each eye. Hemianopia can occur from injury to the brain, such as a stroke.