Does Polarized Lenses Block Blue Light

This is because polarized lenses are created specifically for this purpose filtering out harmful blue light.

Does polarized lenses block blue light.

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. 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. 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. Even those tinted lenses do not keep ultraviolet light out.

There are regular lenses and then there are polarized lenses. Polarised lenses are particularly designed to block harmful blue light for this purpose. Polarized lenses are specially designed and manufactured lenses which ensure proper protection from exposure to blue light. By coating polarized lenses with a special chemical they block some of that light as it passes through them.

The problem with this is that most of the bad blue light exists in range from 380 to 455nm and is barely visible. This is due to the vertical design on the lens frames which prevents the horizontal reflected light from causing harm to the eyes. It acts as a filter for what s being reflected directly into your eyes. On the other hand polarised lenses work because of their fabrication and design.

In order to protect their eyes from the harmful. Even those lenses that are tinted are not effective at keeping out ultraviolet light. 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. It really depends on the lens tint yellowish tints for example provide blue light protection.

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. The difference is quite expansive. Again not all blue light needs to be blocked. Although photochromic lenses were designed for a different purpose they do have blue light blocking capabilities.

These lenses should become more readily available in many polarized sunglasses soon.