Polarized Sunglasses vs Standard Tinting
- Jul 3, 2017
- 2 min read
Updated: Jan 21, 2021
Ultraviolet rays from the sun are incredibly damaging to our eyes, so proper eye protection is important at any time of year. However, choosing the right sunglasses is no easy task with so many choices available.
Polarized sunglasses are specialized eyewear designed to reduce GLARE from surfaces such as water, snow and glass.
First, we need to know what GLARE is. Glare is difficulty seeing in the presence of bright light such as direct or reflected sunlight. It can generally be divided into two types, discomfort and disability glare. Discomfort glare is an instinctive desire to look away from a bright light source.
Disability glare impairs the vision of objects without necessarily causing discomfort. This could arise for instance when driving westward at sunset.
How do Polarized Lenses Work?
Sunlight can be absorbed or reflected in several different directions. Sunlight that bounces off horizontal surfaces, such as water and land, is usually reflected back in a similar horizontal direction. This causes not only visual discomfort but can also cause a potentially blinding glare.
Polarized lenses contain a laminated filter that allows only vertically oriented light to pass through.
The most common colours of polarized lenses are grey and brown. However, depending on the manufacturer, other colours may be available.
Glare has the potential to create very dangerous situations, especially when driving. Sunlight that is bouncing off horizontal surfaces, i.e. the road, can be vastly reduced with the use of polarized sunglasses.
PRO’s
Increased visual comfort. Since your eyes are not constantly challenged by glare, it is easier to view objects in bright conditions.
Enhanced clarity of vision & contrast for ground level objects & for seeing into water.
Reduced eyestrain. Frequent adjustments to glare from reflections is taxing on the eyes and can lead to fatigue.
Conveys colours faithfully.
Diminishes reflections and glare.
CON’s
Polarized lenses make it difficult to view LCD screens. They create the effect of making images on the screen disappear at certain angles.
Though recommended for skiing, they may compromise contrast in certain light conditions.
Sunglasses are generally more expensive than regular tinted lenses. This additional investment is worth it for the majority of people who want to optimize visual comfort.
So, in conclusion, although we have talked a great deal about polarized lenses, to ensure we have a good understanding of what that is we can, therefore, make an informed decision of which root to take. Most tinted sunglasses do have the UVA/UVB protection in the lenses that is required to meet British Standards but they don’t provide the same quality of visual comfort we get from polarizing. If in any doubt… ask your optometrist what they wear!
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This is a very informative comparison between polarized sunglasses and standard tinted lenses. Many people focus only on UV protection when purchasing sunglasses, but the explanation of glare reduction and visual comfort highlights why polarized lenses can be such a valuable investment.
The discussion of how polarized lenses filter reflected light from surfaces like roads, water, and snow is particularly helpful. Reduced glare can significantly improve visibility and comfort during activities such as driving, fishing, boating, and spending time outdoors. I also appreciate that the article covers both the advantages and limitations, including the challenges with LCD screens and certain skiing conditions.
Understanding the differences between lens options helps consumers make more informed decisions based on their lifestyle and visual…
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This is a very informative post that clearly explains the differences between polarized sunglasses and standard tinted lenses. The comparison is easy to understand and provides practical insights into how each type of lens affects vision, glare reduction, and overall eye comfort. I especially appreciate the detailed explanation of the benefits of polarization, which helps readers make a more informed choice when selecting sunglasses.
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