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Latest Vision News

Block the Blue Light

The truth is, blue light isn’t all bad. It shouldn’t be blocked at all times. It can help memory, boost alertness, and elevate your mood! Still, the eye cannot take blue light all day long and it can easily contribute to eye strain especially when it is coming from computer screens and tablets and cellphones.

These days, we’re working, learning, and relaxing in front of screens emitting blue light all throughout the day—and night. Even your average indoor lightbulb can give off blue light.

You’re probably wondering. Okay, but what is blue light anyway?

Blue light is the highest energy visible light on the UV spectrum, and before the advent of technology, the sun was our only significant source of blue light. Problems arise, however, with the amount of blue light to which we are exposing our brains and bodies, potentially causing undue stress to our eyes and even making it hard to sleep at night.

There are a few ways to avoid this strain. First, let us introduce you to one of the best options on the list: blue light blocking lenses.

What are blue light blocking lenses?

Good question. Glasses equipped with lenses with blue light protection are a simple solution to combat the symptoms caused by increased screen time. The technology in these lenses has a subtle tint that softens harsh blue light rays as they pass through, reducing the amount of blue light to which the wearer’s eyes are exposed. They aren’t heavy or thick and can be made without a prescription attached to them. They can be made to fit adults, teens and children and are safe for all to wear. All blue light blocking glasses aren’t made the same. They can be made to block a certain percentage of blue light. How much you decide to block, well, that is up to you. Give our practice a call and we will gladly talk you through your options!

What else can I do to block blue light?

While you won’t be able to block it without the correct lens as your shield, you can still manage it.

When working at a computer, for example, you’re often looking up and down, from screen to paper, and your eyes are moving around and refocusing time after time. This is where the 20-20-20 rule can come into play. For every 20 minutes you’re in front of a screen, turn your head and look at something at least 20 feet away for 20 seconds. Just, give your eyes a break.

Another option: simply lower the brightness. The display settings for your screen on your phone or computer allow you to adjust the amount of light seeping from the screen. If your screen looks like a light source, lower the brightness. If your screen looks dull and a bit too dark, it’s okay and probably for the best to brighten it up. A dull screen can also strain your eyes.

Bottom line, protect your eyes the best way you can and remember that we are here to help! Looking to get a pair of blue light protection glasses that fit your lifestyle and your budget? Here at Infinity Eye Care, we can customize any style of frame and lens prescription with blue light-blocking technology.

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One of the hardest questions eye care professionals deal with every day is when to tell people who are having difficulty with their vision to stop driving.

Giving up your driving privilege is one of the most difficult realities to come to terms with if you have a problem that leads to permanent visual decline.

The legal requirements vary from state to state. For example, in New Jersey the legal requirement to drive, based on vision, is 20/50 vision or better with best correction in one eye for a “pleasure” driving license. For a commercial driving license, the requirement is 20/40 vision or better in both eyes.

In some states there is also a requirement for a certain degree of visual field (the ability to see off to the sides).

According to the Insurance Institute for Highway Safety, the highest rate of motor vehicle deaths per mile driven is in the age group of 75 and older (yes, even higher than teenagers). Much of this increased rate could be attributable to declining vision. There are also other contributing factors such as slower reaction times and increased fragility but the fact remains that the rate is higher, so when vision problems begin to occur with aging it is extremely important to do what is necessary to try to keep your vision as good as possible.

That means regular eye exams, keeping your glasses prescription up to date, dealing with cataracts when appropriate and staying on top of other vision-threatening conditions such as macular degeneration, glaucoma and diabetes.

It is our responsibility to inform you when you are no longer passing the legal requirement to drive. Although there is no mandatory reporting law in all states, it is recorded in your medical record that you were informed that your vision did not pass the state requirements to maintain your privilege. And, yes, it is a privilege - not a right - to drive.

If you have a significant visual problem and your vision is beginning to decline, you need to have a frank discussion with your eye doctor about your driving capability. If you are beginning to get close to failing the requirement you need to start preparing with family and love ones about how you are going to deal with not being able to drive, preferably before it becomes absolutely necessary.

We have had the very unfortunate occurrence of having instructed a patient that he should stop driving because his vision no longer met the requirements only to have him ignore that advice and get in an accident. Don’t be that guy. Be prepared, have a plan.

 

Article contributed by Dr. Brian Wnorowski, M.D.

The content of this blog cannot be reproduced or duplicated without the express written consent of Eye IQ. This blog provides general information and discussion about eye health and related subjects. The words and other content provided in this blog, and in any linked materials, are not intended and should not be construed as medical advice. If the reader or any other person has a medical concern, he or she should consult with an appropriately licensed physician.

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