Vision—An Essential Factor for Safety in Skiing: Visual Acuity, Stereoscopic Depth Perception, Effect of Colored Lenses

TL;DRAbstract

Surveys undertaken at the evaluation center for skiing accidents run by a German sports insurance company show that approximately 80% of all skiing accidents are due to observation errors, perception errors or inattentiveness in conjunction with skiing errors. Therefore, the efficiency of the eyes plays a vital role in skiing. Between 1995 and 1996 the following investigations were carried out into aspects of visual and perceptive acuity on the ski slopes: • Registration of the eyesight of leisure-time skiers. • Tests on the influence of visual acuity on the ability to recognize potential danger spots on the slope. • Tests on the influence of different color filters on eyesight (laboratory tests) and perceptive acuity on the ski runs (field tests). Results: In 28.8% of the skiers tested optical correction of visual acuity was needed. The skiers were tested under those conditions in which they are skiing. In stereoscopic depth perception, which is also of great importance, for example,

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