All sunglasses don’t absorb the same amount of light as their tint of lens is different. The tints of the lenses vary thus their pros and cons are different. A person planning to purchase sunglass need to understand the various categories, their benefits and drawback before opting to buy the perfect one for them.
Firstly, sunglasses play a great role in one’s daily life if they dwell in sunny places. Thus, they need to pick the best one from the suitable sunglasses categories displayed in both the online or land-based shops. The UK, based Banton frameworks are well-acclaimed to be specialized in making high-class sunglasses at an affordable rate. There are many beneficial reasons to visit their website to understand more in detail about sunglasses before purchasing their well-designed sunglasses.
Describing lens categories:
The lenses of sunglasses are usually prescribed or non-prescribed dark lenses tinted slightly in different colors like blue, brown, green, grey or red. The proportion of the tint decides the darkness of the lens. It is measured as ABS% explained as the percentage of visible light absorption. It is even known as the percentage of Visible Light Transmission, VLT % for short. It relates to the amount of light absorbed by the lens of the sunglasses. Hence, the categories are defined as referring to the light absorbed by the lens.
The categories of sunglasses you need to be aware of:
- Category 0: As the term suggests it has a negligible light percentage of tint mainly the lens is framed to protect eyes from outer pollution like dust and dirt. Thus, it is commonly known as Safety Eyewear glasses.
- Category 1: It has light colored tint of yellow shade ideal to wear on normal days.
- Category 2: They have a medium tint suitable to be worn while going out in the day time when the sky is clear however, not too sunny. Usually, the sunglasses are available in varied colors like rose, orange, red and blue.
- Category 3: They are the most preferred sunglasses to be worn on sunny days. They are available mainly in brown and grey colors.
- Category 4: They are available in quite dark grey and brown colors. They are the most suitable sunglasses to be worn in the desert and high altitude places where the sun rays directly fall and there are chances of UV rays spoiling eyes. However, the sunglasses aren’t suggested to be worn while driving as the tint is quite dark.
Other kinds of most sellable sunglasses:
- Sports sunglasses: They are available in different kinds designed particularly to be useable for various outdoor sports like swimming, cycling, running, golf and more.
- UV protection sunglasses: There is a UV filter attached to the lenses that give maximum protection from UVR. People hiking in the desert and mountains prefer to use such glasses on sunny days. It is the best suitable sunglasses for people working all day under the sun.
The quality of the sunglasses should meet the standard set by FDA. That helps to stay safe from polluted elements and UV rays of the sun.
