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Insights shared by Dr. Chitaranjan Mishra, Head of Vitreo-Retina, Academics & Research at Trilochan Netralaya, an Orbis partner.
Changes in blood sugar can mess with your eyes as much as they do with your heart or kidneys and overall health. Blurry vision is often one of the first signs that there is an issue with your blood sugar. Knowing why it is happening can save you from bigger problems later on.
- High Sugar Changes the Eye’s Lens
When your blood sugar increases, extra sugar can be absorbed into the lens of your eye. This pulls in fluids and makes it swell, changing the shape of the lens and affecting the ability to focus light accurately on the retina. During this time, your vision might get blurry for a bit, but it usually gets better once your blood sugar is back to normal and the lens also goes back to its regular shape.
- Rapid Blood Sugar Swings Can Affect Focus
Both high and low blood sugar can make it hard for your eyes to focus. When your sugar’s low, the lens might shrink. If your sugar levels are jumping around a lot, your vision might seem blurry at different times of the day. If this happens, it means your blood sugar isn’t where it should be.
- High Sugar Over Time Harms Retina Vessels
Chronic hyperglycaemia can hurt the delicate blood vessels in your retina, which is the light-sensitive layer in the back of your eye. This can cause diabetic retinopathy, which is a serious condition and can lead to vision loss if it is left untreated. Since you might not notice anything wrong early on, getting your eyes checked regularly is the key.
- Blurry vision is a Warning
A lot of people think blurry vision is just from being tired or looking at screens too much. But if it happens often or suddenly, it could mean your blood sugar is changing or that you have early diabetic eye problems. If you notice these changes with changes in your sugar readings, see a doctor.
- Controlling Blood Sugar Protects Vision
Keeping blood sugar steady with good food, exercise, enough water, and a doctor’s advice is the best way to protect your sight. Keeping it stable not only helps your eyes but also keeps your heart, kidneys, and nerves safe from diabetes issues.
- Regular Eye Exams Are Key
Even if you think your vision is fine, it is better to get a full eye checkup every year, especially if you have diabetes or it runs in your family. An eye doctor can spot retina changes before you lose your vision, which will allow for early treatment and lifestyle changes.
To Sum Up
Don’t ignore blurry vision. It could be a first warning that your blood sugar is imbalanced, or that you’re getting diabetic eye disease. Finding it early, managing balanced blood sugar levels through healthy, regular physical activity, hydration, and getting regular eye exams are the best ways to keep your vision and stay healthy. Consistent control not only supports clearer vision but also benefits the heart, kidney, and nerve health.
