World Glaucoma Week 2017 #4 – March 15

Glaucoma By The Numbers

Warning Info Card from the NEI/NIH: Don't wait for warning signs. A dilated eye exam can detect glaucoma early and save your sight.
Courtesy: National Eye Institute, National Institutes of Health (NEI/NIH).

Glaucoma often has no early warning signs. It has no symptoms and causes no pain. But it can be detected early through a comprehensive dilated eye exam.

  • 12-22 – Eye pressure is measured in millimeters of mercury (mm Hg). Normal eye pressure ranges from 12-22 mm Hg.
  • 1 million – The optic nerve is made up of over 1 million tiny nerve fibers. In glaucoma when these nerve fibers die, you will develop blind spots in your vision.
  • 2 – There are two most common types of glaucoma: Primary open-angle and Angle-closure (also called “closed-angle glaucoma” or “narrow-angle glaucoma.”
  • 1 to 2 – If you are at higher risk for glaucoma, you need to get a comprehensive dilated eye exam every one to two years.
  • 2.7 million – Approximately 2.7 million Americans have glaucoma.
  • 50% – Of the approximate 2.7 million Americans who have glaucoma 50% know they have it and the other 50% don’t.
  • 4.2 million – By 2030 it is estimated the number of American with glaucoma will rise to 4.2 million.
  • 120,000 – In the U.S., more than 120,000 people are blind from glaucoma, accounting for 9% to 12% of all cases of blindness.
  • 60 million – Worldwide estimated cases of glaucoma is 60 million.
  • 111.8 million – The number of people with glaucoma worldwide is expected to increase to 111.8 million in 2040.
  • 40 – African-American over age 40 are at a higher risk for glaucoma.
  • 60 – People over age 60 are at a higher risk for glaucoma.
  • 0 – Currently there is no cure for glaucoma and vision lost to the disease cannot be restored. However if caught early glaucoma can be managed to prevent additional sight loss.

Sources: National Eye InstituteGlaucoma Research Foundation Facts & StatsGlobal prevalence of glaucoma and projections of glaucoma burden through 2040The number of people with glaucoma worldwide in 2010 and 2020,



  1. You’re welcome. It’s my hope that with more awareness these numbers can come down or better yet, they find a cure.

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