Why are they all saying that they can’t choose a lamp with blue light and strobe?
Many manufacturers in the market are under the banner of the so-called eye protection lamp, but very few can do it. The most common problems in eye protection desk lamps on the market are blue light and stroboscopic problems.
Many people may not know blue light. According to the US medical report, harmful blue light is the invisible killer of vision, and the damage to vision is irreversible. Prevention and protection during childhood is a critical period.
The main source of blue light hazards
Digital product displays based on LED technology, such as computer monitors, mobile phones, tablet computers, and LCD TVs, emit high-energy blue light. High-energy blue light can pass through the retina and cause damage to the macular area at the end of the eyeball, thereby threatening our eye health. Blue light is the main cause of digital visual fatigue.
The main impact of blue light hazards
The harm of blue light to human eyes is mainly manifested in the eye pathological harm and the harm of human rhythm that cause myopia, cataract and macular degeneration.
1 Blue light hazard 1: damage to the structure of the eye
Harmful blue light has extremely high energy and can penetrate the lens directly to the retina, causing the atrophy or even death of retinal pigment epithelial cells. The death of light-sensitive cells will cause vision loss or even complete loss. This damage is irreversible.
2 Blue light hazard two: cause visual fatigue
Due to the short wavelength of blue light, the focus point does not fall on the center of the retina, but a little bit forward from the retina. To see clearly, the eyeballs 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 of myopia, double vision, easy reading while reading, and inability to concentrate, which seriously affects learning and work efficiency.
3 Blue light hazard three: affect the quality of sleep
Blue light can inhibit the secretion of melatonin, and melatonin is an important hormone that affects sleep. It is currently known to promote sleep and regulate jet lag. This can also explain why playing a mobile phone or tablet before going to bed can cause poor sleep quality or even difficulty falling asleep.
In general:
Many people are unaware of the harm caused by blue light, which increases the disease of the macular area of the retina, causes damage to the fundus after cataract surgery, causes blurred vision, visual fatigue, causes computer vision syndrome, inhibits the secretion of melatonin, affects sleep, and improves disease The incidence rate. So here, Xiao Lei suggests that everyone should choose a large brand, low color temperature, high color rendering LED table lamp, rather than blindly choose a lamp that seems to be very bright.
As for strobe
Larger strobes have a stimulating effect on the human visual system and will produce uncomfortable feelings. Long-term exposure of the eyes to this environment can cause damage to the visual cells. It can cause eye fatigue and headaches, cause photosensitive epilepsy, and cause distraction. Especially the children who study under the lights at night have a greater impact. The children have not matured in all aspects of their body functions, and their eyes are affected by stroboscopic for a long time, and they are prone to vision loss.
The simplest trick is to turn on the camera function of the phone, aim the lens at the light bulb, pay attention to the flicker on the screen, it is clear at a glance whether the strobe is serious. General LED dimming uses stroboscopic dimming. Simply put, the higher the stroboscopic, the brighter the brightness. However, ordinary people cannot capture the frequency of the strobe with the naked eye. When using the LED desk lamp, reduce the brightness as much as possible to keep the eyes from being damaged by the light. However, if a dimming method without flicker is used, such problems will not exist.
