Eclipse glasses
An eclipse glasses (also: sun vision goggles) is a special light protective goggles , the observation of solar eclipses is used. Instead of normal light protection glasses, filter foils are used here; these often consist of a reflective aluminum layer that only lets through very little light (approx. One hundred thousandth). With such a very high filter factor, it is possible to look directly into the sun without the eyes being damaged by excessive IR , UV or visible light. As a rule, these are simple types of cardboard that are available from specialist retailers.
Normal sunglasses are not suitable for this application, but level 14 welding glasses are.
In the weeks leading up to a solar eclipse, there are many media reports warning of the danger of looking into the sun. However, this risk is no higher than normal during a solar eclipse. It is always harmful to stare at the sun while casual gazing at the sun i. d. Usually is not harmful, but should be avoided anyway. The number of eye injuries during solar eclipses is extremely low, although retinal damage is not painful and takes a few hours to become visible.
Individual evidence
- ↑ a b Solar eclipse: Do not look directly into the sun. test.de , March 16, 2015, accessed April 15, 2015 .
- ↑ Solar eclipse glasses for October 3, 2005 - BVA warns of the aggressive light of the partial solar eclipse. Professional Association of Ophthalmologists in Germany , August 29, 2005, accessed on April 15, 2015 .
- ↑ How do you watch a solar eclipse? Sonnenfinsternis.org, April 24, 2014, accessed April 15, 2015 .
- ^ A b Associate Professor B. Ralph Chou: Eye Safety During Solar Eclipses. NASA .gov, April 11, 1997, accessed April 15, 2015 .
- ^ A b Professor Jay M. Pasachoff: Solar Eclipses and Public Education. International Astronomical Union , 1998, accessed April 15, 2015 .
