Belay glasses are eyeglasses with prismatic lenses that are used by belayers in rock climbing to avoid the neck strain commonly associated with belaying. Belaying involves a person standing on a stable platform below a rock climber controlling the tension and friction of the climber's rope. Since this activity requires craning one's neck to look up at the climber, a common malady named "belayer's neck" can occur. The prismatic lenses of the belay glasses are arranged so as to bend light from above through total internal reflection into the observer's eye, allowing the belayer to observe the climber while maintaining a comfortable head/neck position.
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| - Sicherungsbrille (de)
- Belay glasses (en)
- Lunettes d'assurage (fr)
- Occhiali da arrampicata (it)
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| - Eine Sicherungsbrille ist eine seit 2008 erhältliche spezielle Form der Prismenbrille, die im Sportklettern eingesetzt wird. Sie ermöglicht es der sichernden Person, ihren Partner während des Kletterns zu beobachten, ohne dabei die Halswirbelsäule überstrecken zu müssen. Bereits 2003 wurde im Hinblick auf die Schmerzprophylaxe bei Kletterern der Einsatz einer Kopfstütze zur Entlastung der Halswirbelsäule diskutiert. (de)
- Les lunettes d’assurage sont des lunettes à prisme permettant de renvoyer l’image du grimpeur à l’assureur sans que ce dernier ait à lever la tête.Elles permettent un assurage plus confortable, puisque l’assureur sollicite moins ses cervicales. À terme le port de ces lunettes prévient les cervicalgies (douleurs du cou) liées à des contractures ou à l’usure des articulations pouvant amener à l’arthrose cervicale. (fr)
- Gli occhiali da arrampicata, chiamati anche occhiali da sicura, sono un particolare tipo di occhiali prismatici, realizzati a partire dal 2008, utilizzato nell'arrampicata sportiva. Tali occhiali permettono all'arrampicatore che fa sicura, ossia che è deputato a compiere quell'insieme di movimenti, gesti e tecniche che consentono di frenare una caduta accidentale del primo di cordata, di osservare il proprio partner durante l'arrampicata senza dover allungare eccessivamente il rachide cervicale. (it)
- Belay glasses are eyeglasses with prismatic lenses that are used by belayers in rock climbing to avoid the neck strain commonly associated with belaying. Belaying involves a person standing on a stable platform below a rock climber controlling the tension and friction of the climber's rope. Since this activity requires craning one's neck to look up at the climber, a common malady named "belayer's neck" can occur. The prismatic lenses of the belay glasses are arranged so as to bend light from above through total internal reflection into the observer's eye, allowing the belayer to observe the climber while maintaining a comfortable head/neck position. (en)
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| - Eine Sicherungsbrille ist eine seit 2008 erhältliche spezielle Form der Prismenbrille, die im Sportklettern eingesetzt wird. Sie ermöglicht es der sichernden Person, ihren Partner während des Kletterns zu beobachten, ohne dabei die Halswirbelsäule überstrecken zu müssen. Bereits 2003 wurde im Hinblick auf die Schmerzprophylaxe bei Kletterern der Einsatz einer Kopfstütze zur Entlastung der Halswirbelsäule diskutiert. (de)
- Belay glasses are eyeglasses with prismatic lenses that are used by belayers in rock climbing to avoid the neck strain commonly associated with belaying. Belaying involves a person standing on a stable platform below a rock climber controlling the tension and friction of the climber's rope. Since this activity requires craning one's neck to look up at the climber, a common malady named "belayer's neck" can occur. The prismatic lenses of the belay glasses are arranged so as to bend light from above through total internal reflection into the observer's eye, allowing the belayer to observe the climber while maintaining a comfortable head/neck position. The design based on the eyeglasses frame provides for a split field of vision:
* the central field through the lenses, providing a vertical view to the climber;
* the peripheral field around the sides of the lenses, allowing the belayer to remain aware of their surroundings. The first belay glasses were invented in 2007 by climber Albi Schneider from Germany.
* Belay glasses
* View through the prism (en)
- Les lunettes d’assurage sont des lunettes à prisme permettant de renvoyer l’image du grimpeur à l’assureur sans que ce dernier ait à lever la tête.Elles permettent un assurage plus confortable, puisque l’assureur sollicite moins ses cervicales. À terme le port de ces lunettes prévient les cervicalgies (douleurs du cou) liées à des contractures ou à l’usure des articulations pouvant amener à l’arthrose cervicale. (fr)
- Gli occhiali da arrampicata, chiamati anche occhiali da sicura, sono un particolare tipo di occhiali prismatici, realizzati a partire dal 2008, utilizzato nell'arrampicata sportiva. Tali occhiali permettono all'arrampicatore che fa sicura, ossia che è deputato a compiere quell'insieme di movimenti, gesti e tecniche che consentono di frenare una caduta accidentale del primo di cordata, di osservare il proprio partner durante l'arrampicata senza dover allungare eccessivamente il rachide cervicale. (it)
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