Recently, I learned something disturbing.
Our eyes are only designed to last for 40 years. After that it’s all down hill.
At a recent meeting of the Hamilton Amateur Astronomers, optometry professor Ralph Chou from the University of Waterloo offered some hope.
Vision declines with age. Hopefully, you won’t loose your vision before you die but it’s a constant battle. So the number one way of keeping your vision is through prevention.
Ultraviolet light from the sun is not only deadly to skin, but can also cause poor vision. So you should limit your exposure to the sun as much as you can.
Ultraviolet light is cumulative, and it has been estimated that we get 50 per cent of our exposure to it in our teenage years. The nice dark tan may look good at the time, but may lead to skin cancer and blindness as we age.
The materials that new glasses are made of offer some protection. Good sunglasses are probably a good idea.
High blood pressure and diabetes can also lead to blindness by destroying the retina at the back of the eye. So it’s important to keep fit and active to avoid these problems.
That means controlling your weight, exercising and eating right like lots of vegetables. Vitamin A apparently is also good for your eyes but if you’re a smoker be careful. If you smoke and take vitamin A, you may have a higher chance at getting lung cancer.
If you practice prevention and seeing your optometrist at least once every two years, more if there are complications like diabetes, you’ll have a better chance at keeping your vision.
So, I hope I’ve inspired some people to think seriously about their vision because they’re truly one of the best miracles of life. I don’t know what life would be without them.
- Test your vision (and your geek knowledge) with this science fiction eye chart! [This Is Awesome] (io9.com)
- Refraction test – All Information (umm.edu)
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- Guide Your Path with Vision, Values, and Goals (sourcesofinsight.com)
- Potential drug therapy for diabetic retinopathy under study (eurekalert.org)
- Why does my vision keep getting worse? (ask.metafilter.com)
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- May: Healthy Vision Month (virtualnotes.wordpress.com)
- Strabisus Vision Therapy (brighthub.com)
- Optometrist vs. Ophthalmologist (everydayhealth.com)
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- The Three Types of Eye-Care Professionals (everydayhealth.com)
- Blinded by the light? (ask.metafilter.com)
- Artificial retina helps some blind people (ctv.ca)
- Artificial retina helps some blind people (seattletimes.nwsource.com)
- Signs and Symptoms of Diabetic Retinopathy (brighthub.com)
- Artificial retina helps some blind people (culturalhealth.blogspot.com)
- Retina Implant Restores Vision, Lets Cyborgs See IR Spectrum! (singularityhub.com)
- Have There Been Advances in Retinal Treatment? (everydayhealth.com)