The placement of the table lamp also has a great impact on vision

       The structure and technology of LED table lamps are more in line with the use of the majority of users. They can play a role in environmental protection, power saving, eye protection, and durability. Suitable places include hotels, bars, rooms, coffee shops, living rooms, offices, study rooms and outdoors. Places, etc., can be used as gifts for friends, family members, classmates, and can be used as home decoration.

       The height of the lamp is also important. Usually, when the eyes are 30 cm away from the book, you can see the handwriting clearly without being overly tired. Based on this calculation, the height of the desk lamp is 40-50 cm away from the book. brightness. If the desk lamp is too low, it will make the light shine on too small a range, and the surrounding area will be dark.

       Crystal lamp custom manufacturers talk about the loss of reference objects for far-sightedness, which will cause the eye's various adjustment systems to be in a state of tension and compression that only looks at the near, which is easy to fatigue the eyes and accumulate rapidly, resulting in "light source myopia". And if the desk lamp is too high, the light will directly shine on our eyes, resulting in glare; at the same time, the short-distance strong light will also cause light retention on the retina, which will make the eye muscles tighten and accelerate the decline of vision. Also have a grasp.

       The placement of the desk lamp also has a great impact on vision. Because most people write with their right hands, the table lamp should be placed in front of the left side of the body. When writing, it will not form shadows on the paper due to the covering of the hands, and the light shining on the paper will not reflect into our eyes and cause glare. , so that it will not affect vision and cause problems such as myopia.

       If the height of the lamp is less than 40 cm, it is at the same level or slightly lower than the human eye, and it is easy to produce a large contrast between light and shade, so that the eyes are constantly adjusted to adapt to the change of light and shade; at the same time, the structure of the lamp should be properly shielded from the side For strong light, when the eyes are at a height of 40 cm and look towards the lamp, they should not be able to see the inner wall of the reflector and the light source, otherwise it will cause glare. These are easy to cause visual fatigue, and long-term use will affect vision. The sad thing is that in the eye protection lamp market, manufacturers have produced a lot of small cartoon table lamps in order to cater to the desire for cheapness, just for children to like, regardless of children's health.