Astronaut Glenn was not only the first American to orbit the Earth, he also holds the title of the oldest man to fly in space. But his celestial view may not have been possible if he hadn’t been diagnosed and treated for glaucoma early enough to save his vision. In a 2002 public service campaign, Glenn urged Americans to learn the risk factors of glaucoma and get tested.
If you’re over 40 and healthy, eye exams every two to four years are recommended, while adults 65 and older should have eye exams every one to two years to check for glaucoma, age-related macular degeneration, and cataracts. Ask your doctor for a comprehensive dilated eye exam, which lets in more light and helps your eye doctor check the health of your retinas and optic nerves.