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Can Sunglasses Help With Night Vision?

by JetAviator7 |

If you subject you eyes to intense glare during the day they will tend to compensate by trying to adapt to the bright light. This natural built-in defense will persist for several hours after the glare is gone resulting in much reduced night vision.

Night Vision Light Adaptation

Studies have shown that night vision can be reduced by as much as 50% by exposure to intense glare during the day. Wearing a good pair of sunglasses during the day will improve night vision considerably. The military has known for decades that troops that are going to go on night operations need to prepare their eyes during the day by keeping them in low light conditions by wearing dark glasses. This increases their night vision adaptation time to a minimum. If you are a professional driver or pilot involved in both day and night operations wearing a good pair of sunglasses during daylight hours will help you see a lot better at night. For pilots who will fly from daylight to nightime it is important to wear sunglasses for at least two hours before night fall in order to allow their eyes to better adapt to the night light.

How To Select Sunglass Lenses

To provide full, day-long comfort, a good pair of sunglassess should elimate all of the problems that glare can present. Good quality sunglases with lenses with 15-20% visible light transmission (VLT) work best for people with "normal" light sensitivity in their eyes. If you are going to spend a lot of time fishing, snow skiing or boating you might want darker sunglass lenses with 8-12% VLT. As you age, however, your eyes will gradually lose their light gathering ability, especially after the age of 50 or so, as a result you might not need sunglass lenses that are so dark. Keep your eyes cool and protected today my friend!

About John White a/k/a JetAviator7

p.s. Please share "Can Sunglasses Help With Night Vision?" with your friends. Thanks! If you subject you eyes to intense glare during the day they will tend to compensate by trying to adapt to the bright light. This natural built-in defense will persist for several hours after the glare is gone resulting in much reduced night vision.

Night Vision Light Adaptation

Studies have shown that night vision can be reduced by as much as 50% by exposure to intense glare during the day. Wearing a good pair of sunglasses during the day will improve night vision considerably. The military has known for decades that troops that are going to go on night operations need to prepare their eyes during the day by keeping them in low light conditions by wearing dark glasses. This increases their night vision adaptation time to a minimum. If you are a professional driver or pilot involved in both day and night operations wearing a good pair of sunglasses during daylight hours will help you see a lot better at night. For pilots who will fly from daylight to nightime it is important to wear sunglasses for at least two hours before night fall in order to allow their eyes to better adapt to the night light.

How To Select Sunglass Lenses

To provide full, day-long comfort, a good pair of sunglassess should elimate all of the problems that glare can present. Good quality sunglases with lenses with 15-20% visible light transmission (VLT) work best for people with "normal" light sensitivity in their eyes. If you are going to spend a lot of time fishing, snow skiing or boating you might want darker sunglass lenses with 8-12% VLT. As you age, however, your eyes will gradually lose their light gathering ability, especially after the age of 50 or so, as a result you might not need sunglass lenses that are so dark.";s:3:"url";s:31:"https://aviator-sunglasses.net/";}}]]> Temples are those arms which are attached to either side of a pair of aviator sunglasses which go from the front of the sunglasses frame backwards on the side of the wearer's head and over their ears. The purpose of temples is to hold the sunglasses in place for the wearer allowing them to keep their hands free for other tasks. Over the years there have been many improvements in aviator sunglasses temples including the material and style of temples offered.

Bayonet Aviator Temples

Bayonet temples were designed for military pilots to slip easily under helmets or headsets. Early on military pilots found it necessary to remove their sunglasses - for example when passing into and out of weather - and that it was a challenge to remove a helmet or headset to take the aviator sunglasses off or put them back on. Bayonet temples make it simple because they go straight back and don't curve down behind the ears. Therefore sunglasses with bayonet temples can easily be removed and replaced without removing you're headset or helmet. If you wear a helmet, headset or other headgear bayonet aviator temples are a great choice for you.

Do Bayonet Temples Fall Off When Lowering Your Head?

The bayonet temple arms go straight back but have an inward curve that follows the curve of your head and fit snugly against the head. The bayonet style aviator temples have enough curve in them and are rigid enough and fit snugly enough so they will not fall off even when looking down at a chart or looking inside the cockpit.

Skull Aviator Temples

Skull aviator temples are often called "Hockey Stick" temples because of their resemblance to hockey sticks. The skull temple arms go back along the side of the wearer's head and then curve down over the back of the ear. This type of aviator temple is like the standard temples you would find on an ordinary pair of eye glasses you get from the optometrist. Because not everyone is a pilot, nor uses helmets, headsets or other head gear, skull aviator temples work well for them. However, for some people skull aviator temples don't work well because they can irritate the back of the ear lobe causing some discomfort over time. Because of this some people think about using the bayonet style of aviator temple but are concerned that they will not remain stable on their head while performing tasks when their head needs to be lowered. Some people are concerned that aviator sunglasses with bayonet temples might slip off their heads; however, as a pilot I have worn this style of aviator temple for years with no problems whatsoever.

It's Your Call

In the final analysis it is up to the wearer to choose the correct aviator temple style for themselves. I hope this has been helpful to answer the "Bayonet vs Skull Temples" question for you. Have a prosperous day! p.s. Please share "Bayonet vs Skull Aviator Temples For Sunglasses" with your friends. Thanks!