The lamp that shield an eye do not careless percent of pass is only 8% selected 'eye' against 'the eyes'

Every summer and winter vacation is the lamp that shield an eye sales peak, in order to let the children healthy growth, parents have always been the 'name' to 'read and write operations lamp' product selected. Understands from the changzhou inspection yesterday, however, the lamp that shield an eye on the market mainstream products in the province take the percent of pass is only 8%, unqualified the lamp that shield an eye not only failed to protect vision, but also can damage the eye.

brand is various, low-priced products to dominate the

in changzhou WuJiaoHua stores, jinqiao, luqiao market and found that after interview several large supermarkets, at present there are hundreds of changzhou field sales of the lamp that shield an eye brand, price range from 30 multivariate to 300 yuan. Among them, 30 yuan 70 yuan price of the lamp that shield an eye to occupy approximately 8 into the market. The lamp that shield an eye of both the built-in light source, there are also indicated in the specification the light specification required.

contrast low light and high light, only seems to only when viewed from the outside material is good or bad difference between coarse, fine workmanship.

LED lights, it is unfit for the lamp that shield an eye

in recent years, the LED as a new type of lighting source gradually entered the ordinary people, and with the advantages of energy saving, high efficiency and highly regarded, currently on the market have a lot of LED light the lamp that shield an eye. But what city quality supervision, inspection, deputy director of the chao-yang shi think, at least under the present technical level, the LED light is not suitable for as the lamp that shield an eye. This is because the LED as a point source, susceptible to glare after used for lamp. Although there are many anti glare LED lights at the moment, but the lighting efficiency has been greatly reduced.

compared with high frequency fluorescent lamp and incandescent lamp, energy-saving lamp each have advantages and disadvantages, the high frequency fluorescent light stroboscopic less, but the price is slightly high, and the possibility of low frequency as high frequency; Incandescent lamp optical performance is good, but low efficiency, low energy saving; Energy-saving lamps in the warm color light source is more suitable for the lamp that shield an eye, but compared to white light source intensity and reduce. But in general, the three lights are ideal eye light source.

to buy skills, use has exquisite

how to get qualified the lamp that shield an eye? The place from the testing agency and sales staff to understand, the choose and buy, use wants be particular about method.

in addition to the regular store choice have 3 c certification of products, consumers also notice had better choose products of reflectors, under the light, the eye from the desktop 40 cm high, the distance from the light source level 60 centimeters, should see the light. Desk lamp light pole to long, adjustable as far as possible, not less than 1 wire length. 8 m.

when used for reading and writing more than 40 minutes to let your eyes a rest. If the line of sight range have obvious dark space, in the use of the lamp that shield an eye room had better open at the same time to absorb dome light.

China jiangsu network