What Are Anti Blue Light Glasses

Anti blue light glasses are glasses that can prevent blue light from irritating the eyes. Special anti blue light glasses can effectively isolate ultraviolet rays and radiation, and can filter blue light, making them suitable for use when watching computers, televisions, or mobile phones. Blue light is a part of natural visible light, and both sunlight and electronic screens emit blue light. Blue light is an important component of visible light, and there is no separate white light in nature. When blue light is mixed with green and red light, it appears as white light. Green and red light have lower energy and less irritation to the eyes, while blue light has shorter waves and higher energy, which can directly penetrate the lens and reach the macular area of the eye, leading to macular degeneration.
Blue light is divided into two types: beneficial and harmful. Blue light with wavelengths between 415 and 455 nanometers is harmful short wave blue light and requires special attention to protection. According to the principle of complementary color of light, blue and yellow are complementary colors. Therefore, glasses with blue light protection function generally have slightly yellow lenses compared to regular lenses. The higher the blocking rate of harmful blue light, the darker the background color of anti blue light glasses will also be