The vast world of fashion presents you with several eyewear styles. However, while choosing the right style, you must not forget the practical role of the sunglasses. The primary reason to wear them is to protect your eyes from the harmful UV rays of the sun. That is why you must choose the lenses of the shades wisely. One of the best options is the polarised sunglasses. You must have heard about these sunglasses. But do you know what they are and how they can be beneficial for your eyes?
What are Polarised Sunglasses?
Light from the sun scatters by bouncing off the varying angles of an object’s uneven surface. However, this is not the case with smooth surfaces. Instead of getting scattered, light reflects at one angle from smooth surfaces like calm water or a flat metal sheet piece. This light reflects in your eyes, and this is called glare. This phenomenon might sound like a normal reflection of light. But it is much more than that.
Glare can cause numerous issues ranging from minor discomfort in the eyes to severe accidents. This is why it is important to protect your eyes from glare, and wearing polarised sunglasses is the simplest and most effective way to do that. They reduce the light glare and thereby reduce eyestrain. Eventually, they help with improved safety and vision in the sun.
Polarised sunglasses have a special chemical applied to their lenses that filters light. These molecules of this chemical are lined up specifically to block some light passing through the lens. The filter on these sunglasses creates vertical openings for light to reach your eyes. So, only the light rays that approach your eyes vertically can fit through these openings and reach your eyes. The light rays that bounce off horizontally from smooth surfaces and result in glare get blocked from reaching your eyes when you wear polarised shades.
Advantages of Polarised Sunglasses
- Daytime driving safety
- Safe fishing and boating
- Vibrant outdoor color visibility
- Photography
Frequently Asked Questions
What are Polarised sunglasses for?
Polarised shades are worn to block the glare and reduce eyestrain for clear vision.
Are Polarised sunglasses better?
Yes, in some instances, they are better than other shades like daytime driving, fishing, boating, playing, and photography. However, they are not a suitable choice for nighttime driving, digital screen use, and skiing.
Which is better, UV or Polarised sunglasses?
Both have their unique advantages and are better suited for certain conditions.
What do non-polarised sunglasses mean?
Sunglasses lacking the chemical present in Polarised lenses are known as non-polarised sunglasses.
Is it OK to wear Polarised sunglasses?
Yes, wearing polarised sunglasses is more than okay for certain suitable conditions.
Can I wear Polarised glasses at night?
No, wearing Polarised glasses at night is not advisable.
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