Many of the vitamins and minerals in our bodies are found in much higher concentrations in our eyes, so a diet lacking in these vitamins and minerals can lead to vision problems as we grow older.

Take the time every day to give your eyes (and the rest of your body) the nutritive support they need.

Eat the foods and take the supplements that provide the antioxidant vitamins and minerals your eyes require.

You’ll Protect Your Eyesight, ensuring years of good eye health, and increasing the odds that you’ll avoid blindness or vision loss for the rest of your life.

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Table of Contents

June – Sunglasses and Eye Health

Did you know that some types of sunglasses are actually harmful to your eyes?

It all depends on the type of sunglasses they are and what they are made out of. When we're in low light situations, our pupils naturally dilate and get bigger. This lets them bring in more light so that you can see well. If you want to see this in action, stand in front of a mirror and cover your eyes with the palms of your hands for 3 minutes, making sure no light is seeping in around the cracks. Then, take your hands off and watch your pupils shrink from huge to normal in a matter of seconds.

When you wear Sunglasses, they force the same effect; your eyes think they're in a shaded area so they dilate to compensate for the lower light levels. Cheap sunglasses don't do anything to absorb most of the UV light however, so while your eyes are wide open and ready to receive as much light as possible from a dimly lit area, they're still absorbing the same amount of UV as they normally would.

Now, all sunglass material does absorb some UV light, but in most plastics this hovers at around only 30 or 40%, letting the rest of it through and into your eyes. Cheaper varieties use a type of plastic called triacetate, which does virtually nothing to shield your eyes from UV. Instead, look for lenses that are made out of either CR-39R plastic or polycarbonate. The former blocks about 88% of incoming UV light while the latter blocks 100%, fully protecting your eyes from sun damage. If the glasses say that they are made from either of these materials, you should be fine.

Further, polarized lenses typically block 100%, or very close to 100%, UV light. Polarized sunglasses reduce incoming glare by completely blocking horizontally aligned light, while allowing in the vertically aligned light. Reflections, like those from water or windows, are blocked which reduces most of the glare.

Excessive UV light can contribute to the formation of Macular Degeneration and Cataracts, so it's always a good idea to wear some sort of protection when you go out into the sun, especially if you're around water or if you drive a lot. Even cloudy days can still have a lot of UV light, so why risk your eyes' health?

Remember nothing beats a healthy diet with the right balance of Vitamins and Minerals when it comes to preventing an Eyesight Problem.

Your eyes will thank you!

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