Polarized sunglasses are a type of glasses whose lenses are manufactured to protect the eyes from light rays reflected on surfaces, UVA rays are the ones that affect the earth’s surface the most and are therefore essential in good sunglasses. Sun. However, the most suitable sunglasses. To protect eye health, they are those that have the 3 filters: UVA, UVB and UVC. Polarized glasses, on the other hand, provide visual comfort because they manage to organize the way in which the rays penetrate the eyes, greatly reducing reflections.
Sunglasses are essential to protect vision on sunny and even cloudy days, since they avoid direct contact with UV rays, preventing the development of eye diseases as well as providing greater visual comfort. For this reason, the glasses should be worn every sunny day, even by babies and children, when playing outdoors.
Polarized sunglasses can have several health benefits, the main ones being:
Although recommended for use in all situations, polarized lenses are especially suitable for use on the beach, for driving and water sports or in snow, where the sun shines brightly causing more great discomfort to the eyes.
Good quality sunglasses are more expensive, but they usually contain special filters that block the sun, protecting and guaranteeing eye health, see the following table to know the importance of these 4 filters in sunglasses:
There are several models on the market for all kinds of faces, some can even be customized to the extent the individual needs, and can replace the use of common glasses on sunny days.
Cheaper and cheaper counterfeit sunglasses should not be purchased because we do not know if they protect the eyes from the sun, as they may not have the necessary filters and can cause eye diseases, because the darker the lens, the more dilation of the pupil and therefore greater exposure to the harmful rays of the sun. However, the vast majority of brands sold in Brazil have good filters, with the exception of sunglasses that are pirated and sold by street vendors, for example.
To ensure total sun protection, in addition to the use of sunscreen for the body and face, daily use of good sunglasses, with UVA, UVB and UVC filters or sunglasses with polarized lenses is also recommended.