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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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We have all heard the term ”Love is in the Air,” but can love really be in the eyes? Actually, Science has proven it so. Certain chemicals (or endorphins) that produce the emotion of love can be emitted through emotions expressed in the eyes. Romeo and Juliet and Antony and Cleopatra all can prove that love is in the eyes of the beholder. There are physiological changes in the eyes that occur when love is expressed between two individuals. Two people in love, love shown towards a family member, child, or pet all cause the same response: the pupil (black part in the center of the eye) dilates.

The size of the pupil can be an indication of emotional responses and messages. According to Scientific American, the autonomic nervous system (our fight or flight response), causes the pupil to have a quick dilating response. The ANS is also in charge of heart rate and perspiration, and when a person is extremely interested in another person, the pupil has a dilating effect that is slightly less than the pupillary light reflex. This bounce in size is an automated response that gives scientists indication of mood or interest (or love) shown to a person or pet.

Mounting scientific evidence also shows the benefit of looking into the eyes of your pet, especially dogs. Stroking them causes you to become more healthy on all fronts, and a few minutes a day of lovingly looking at the dog and stroking the pet releases serotonin, prolactin, and oxytocin which are "feel good" hormones.

There are also studies inspired by psychologist Arthur Aron, from over 20 years ago, that show if you stare into someone's eyes for 4 minutes you can fall in love... for looking eye to eye allows you to connect and reminds you why you fell in love in the first place.

Overall health is improved and years can be added to your life when looking at something or someone with love. Your eyes and autonomic nervous system play an intricate role in the expression of love. In conclusion, science and Shakespeare have it right when it comes to the response of the pupils. Remember what Shakespeare said in A Midsummer Night’s Dream, ”Love looks not with the eyes, but with the mind.”

Source:

12/07/2012 article of Scientific American entitled:

Why Do Pupils Dilate in Response to Emotional States?

By Joss Fong

 

The content of this blog cannot be reproduced or duplicated without the express written consent of Eye IQ.

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