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What kind of colored lense should you pick ?

Monday, November 7, 2016 11:03:15 AM Asia/Katmandu

Sunglasses while serving their purpose of being a highly popular with every outfit has now become a major style and fashion accessory and still managing to fulfill their original function of providing suitable protection.

When most people are shopping for sunglasses they are really just shopping based on style as we can find many varieties of sunglasses in the market from different shapes and sizes to different variation of colors. But one thing you should know is that the lens color can affect the way you see because it affects the light that comes in through the lens.

Some of the most common and popular lenses color that are out there are the black lens, the green lens and the brown lens.

Black Lens:

Green Lens:

Brown Lens:

So what do these lens do in terms of light and contrast?

 

Well the black and green which keeps light neutral so reducing the glare, enhancing clarity and making things a bit sharper.

Whereas the brown lens, it actually causes minor color distortion, so these brown ones are good for partly cloudy or not too bright days and the other the black or green is better for very bright and sunny days.

However, this is only the basic guideline and function of these colored lenses as we can find other colored lenses like blue, green, yellow, orange and so on which has their own unique function in different environmental conditions.

For instance let us consider taking example of yellow lens.

You may have seen in many action movies or army movies where some of the actors uses night vision goggles with yellow lenses.

Have you ever wondered why?

The reason behind using yellow lenses in night vision goggles is because the color yellow provides greater clarity in fog, haze, and other low-light conditions and also filters out blue light from computer screens and other electronic devices that can cause eye fatigue and headaches.

 

 

Now that you know let’s now talk about other colored lenses.

 

So, what does these glasses do? Let’s take a look at some of its benefits.

  • Reduces glare
  • Helps to see contours
  • Improves color perception
  • Sporting activity
  • Cosmetically appealing
  • Fashionable
  • Sensible for misty, foggy and snowy conditions.

[NOTE: Higher the density of the color of lens, the more the glare will be reduced.]

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Posted By Aadim Sunuwar

What is UV radiation and how is it affecting us ?

Tuesday, September 13, 2016 12:22:21 PM Asia/Katmandu

How to protect your eyes form UV rays ?

UV, short for Ultra Violet radiation that is produced by the sun. These radiations may seem harmless as it does not affect us in the short term but can damage to your eyes and skin .

In order to protect your eyes from radiation you have to use proper sunglasses. But first you need to find the right sunglasses which will ensure safety.

To protect your eyes, look for sunglasses that:

  • Block 99 to 100 percent UV rays
  • Screen out 75 to 90 percent of visible light
  • Have lenses that are perfectly matched in colour and free of distortions and imperfections
  • Have lenses that are gray for proper colour recognition

But before you go and grab just any sunglasses you should first consider and know about the pros and cons of the sunglasses that you’re choosing.

Here’s how to pick sunglasses that look good and protect your eyes.

Picking the right size: An ill fitting sunglass can let UV rays enter your eyes easily. So it is very important to have the right sized sunglass.

Polarized Lens: Polaroid is a material that reflects UV radiations which protects your eyes from UV exposure directly. Not a must factor but an important one .

Shade and colour: You can find many range of coloured glasses these days

But darker shade sunglass doesn’t means more protection or less color shade meaning less protection. It is a choice both offer the same amount of protection.

So should you buy a cheap sunglass or an expensive one?

The main thing is to find if it offers UV protection or not. The main problem with cheaper sunglass is they are usually  made up of ordinary plastic material with thin coating so it does not provide complete protection from the UV rays.

So it is sensible to carry a pair of sunglass with you rather than not having one at all.

Reference
Posted By Aadim Sunuwar

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