How to prevent glare

Glare is a type of light pollution that can cause physical and psychological damage under the glare. Nowadays, people’s pursuit of a better life will become higher and higher, and pay more attention to sports and health. The lighting quality requirements of commercial sports venues become more critical, while glare is the key factor that affects the sports experience. Minimizing the glare design of the lighting system in sports venues is essential.

In order to effectively reduce the interference of glare to athletes, it  can be mainly controlled from the following aspects:

(1)The arrangement of lamps

The installation position of the lamps must be reasonable, to ensure the protection angle of the lamps, and to avoid arranging the lamps in the direction of the longest gaze of the athletes. Every sport will have the direction of the longest gaze from the athlete. For example, badminton needs to look up and track the position of the badminton when hitting the high ball in the backcourt; basketball players usually lift their heads up and look at the basket when shooting; table tennis players need to throw the ball high when serving, etc. These actions are related to the direction of sight. These movements are unavoidable and frequent, but they are susceptible to glare. Designing the lighting system to avoid the positions of these longest gazes is an effective way to avoid direct glare.

(2) The selection of lamps

When choosing lamps, you can choose anti-glare lamps or low-glare lamps. There are three main types of traditional anti-glare technologies: deep-hiding visors; grid visors; and lengthen the reflector. Each method has its own advantages and disadvantages. You should choose appropriate lamps according to sports events. For example, for sports that are greatly affected by direct glare, you can choose the method of grid occlusion. This method can avoid direct glare, but it will increase reflected glare. Meanwhile, reducing the power of lamps to avoid high-brightness lighting, as long as the lighting requirements can be met.

(3) Control the angle formed by the observer’s line-of-sight light source incident on the upper direction of the eye

The angle formed by the observer’s line of sight light source incident on the upper direction of the eyes is an important factor affecting the glare value. By changing the size of the angle, the direct exposure of the light source to the athlete’s eyes can be avoided, so as to avoid the influence of direct glare.

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