How does the strobe of LED lights affect my eyes?

Recently, the family replaced a number of LED lights, usually do not pay too much attention to, but recently used for a period of time, always feel a little tired eyes, especially in the study after staying a long time will feel uncomfortable. Check the Internet, it seems to be with the lights of the “strobe” have a relationship?

Simple science popularization: the so-called strobe, is the light in a very short period of time rapid alternation of light and dark phenomenon, although we can not see the naked eye, but it does have an impact on the eyes. For example, if you read or work under the strobe light for a long time, some people will feel sore and fatigue in the eyes, and it may even induce headaches and lack of concentration.

A simple method, use your cell phone camera to shoot at the lights, the picture has those “black stripes”, it shows that the strobe does exist. Some low-quality LED lights have bad driver circuits, and the strobe problem will be especially obvious, especially the cheap dimmable lights.

The question is, how to pick the LED lights do not hurt the eyes?

1. first of all, choose the kind of labeled “flicker free” lights, although a little more expensive, but friendly to the eyes.

2. If you use dimmable lights, it is best to buy the kind of constant current drive, strobe will be much less.

3. There are also quite important certifications, such as CE certification, FCC certification, quality is relatively guaranteed.