Comparison before and after blue light filtering of LED eye protection T8 lamp
The harm of blue light to the human eye is mainly manifested in the eye pathological harm and human rhythm harm that cause myopia, cataract and macular degeneration.
1. Blue light harms the first damage structure: Harmful blue light has extremely high energy, can penetrate the lens and reach the retina, causing the atrophy or even death of retinal pigment epithelial cells. The death of light-sensitive cells can lead to decreased vision or even complete loss of vision, and this damage is irreversible. Blue light can also cause macular degeneration. The lens in the human eye will absorb part of the blue light and gradually become cloudy to form cataracts, while most of the blue light will penetrate the lens, especially in children, the lens is clear and cannot effectively block blue light, which is more likely to cause macular degeneration and cataracts.
2. Blue light harms the second visual fatigue: Due to the short wavelength of blue light, the focusing point does not fall in the center of the retina, but a bit further forward from the retina. To see clearly, the eyes will be in a state of tension for a long time, causing visual fatigue. Long-term visual fatigue may lead to symptoms such as deepening myopia, diplopia, easy serialization when reading, and inability to concentrate, affecting people's learning and work efficiency.
3. Blue light harms the third bad sleep: blue light can inhibit the secretion of melatonin, and melatonin is an important hormone that affects sleep. The currently known role is to promote sleep and regulate jet lag. This can also explain why playing mobile phones or tablets before going to bed can cause poor sleep quality or even difficulty falling asleep.
Comparison before and after blue light filtering of LED eye protection T8 lamp
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