Staying physically fit does more than help your heart — it helps protect your eyes and your independence as you age.
Your eyes are hungry for blood and oxygen, supplied through some of the smallest, most delicate blood vessels in your body. When you keep fit, those vessels stay healthier. Regular aerobic exercise — walking, cycling, swimming, running — is linked to a lower risk of the major eye conditions that threaten sight later in life, including macular degeneration, glaucoma, diabetic eye disease, and cataract.
Fitness works in several ways at once: better blood flow to the retina, healthier blood vessels, lower inflammation, and steadier blood sugar. Each of these helps guard against vision loss.
One useful measure of fitness is your VO₂ max — how efficiently your body uses oxygen during exercise. Many smartwatches now estimate it. Watching this number improve is a simple, motivating way to track your progress.
The message is simple: the exercise that keeps your heart strong also helps keep your sight sharp. It’s one of the best investments you can make in a long, independent life.
Speak with your GP about safe ways to build your fitness.
Brisbane Eye Clinic
