Does Polarized Lenses Block Blue Light

Polarized lenses are specially designed and manufactured lenses which ensure proper protection from exposure to blue light.

Does polarized lenses block blue light. While uv light and blue light are not the same thing blue light can still be harmful to your eyes especially through prolonged exposure to digital screens and direct sunlight. Although photochromic lenses were designed for a different purpose they do have blue light blocking capabilities. It really depends on the lens tint yellowish tints for example provide blue light protection. The problem with this is that most of the bad blue light exists in range from 380 to 455nm and is barely visible.

Amber lenses absorb blue light and other stimulating light while allowing other less alerting light wavelengths to pass through so you can still see clearly for normal activities such as working on a computer reading or watching television. Again not all blue light needs to be blocked. Even those tinted lenses do not keep ultraviolet light out. This is because polarized lenses are created specifically for this purpose filtering out harmful blue light.

As the ultra violet and blue light is prevented access to the eyes through the use of the polarized sunglass lenses people who work outdoors do not have to suffer from exposure to sunlight. The intensely tinted yellow lenses will work well with this chart but light amber blue block and ar blue block wont because the beneficial blue light is allowed through. In order to protect their eyes from the harmful. These lenses should become more readily available in many polarized sunglasses soon.

By coating polarized lenses with a special chemical they block some of that light as it passes through them. This is due to the vertical design on the lens frames which prevents the horizontal reflected light from causing harm to the eyes. Do the same sunglasses that block the sun s damaging ultraviolet uv rays also shield your eyes from blue light from the sun and your digital devices. Even those lenses that are tinted are not effective at keeping out ultraviolet light.

The difference is quite expansive. Sunrx polarized melanin lenses are a new innovation that come in brown tints and block blue light which some doctors think can add to the development of age related macular degeneration which can result in blindness. Calls to optometry offices showed that adding blue light blocking to prescription glasses cost 40 60 at lenscrafters and 47 125 at pearle vision with nonprescription blue light glasses. High quality glasses made with amber lenses will effectively block blue light without darkening vision.

On the other hand polarised lenses work because of their fabrication and design.