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Tips from the Health Department for the eclipse
To watch the eclipse without risking eye damage, so-called SoFi glasses with protective filter film should be put on. A special coating prevents too much light from getting into the eye. Because UV radiation can damage the retina. In the worst case, blindness can result from an unprotected view of the sun. Experts give tips on what to do in an emergency.
Protect eyes from UV radiation If the SoFi glasses slip for a moment or have a crack, the view can unintentionally hit the sun directly. For days now, experts have explicitly warned of such cases in light of today's solar eclipse. Because the eyes should absolutely be protected from direct UV radiation. In normal sunlight, an innate reflex ensures that we protect our eyes from bright light. However, during a solar eclipse we intentionally look directly into the sun. The reflex therefore does not work and the protective reaction is paralyzed.
If greenish spots appear in the field of view after looking directly into the sun, this can be a warning signal. If the situation worsens, those affected should always consult a doctor. A quick glance can be enough to damage the retina of the eye to such an extent that vision partially or completely deteriorates. The cornea of the eye and the lens of the eye bundle the incident UV radiation so strongly that the point of sharp vision can be burned. Subsequently, those affected develop inflammation of the cornea or conjunctiva. Lens opacification is also possible if the radiation changes proteins in the lens. If the retina is damaged, blindness can result from macular degeneration.
If your eyes hurt after looking at the sun, go straight to the doctor As the Federal Office for Radiation Protection (BfS) informs, the body does not give a warning signal because the retina has no pain receptors. If you feel pain "it's too late," says the BfS.
Similar to sunburn, the first pains appear about six hours after the burn. Affected people should then see a doctor immediately. This also applies if you see a black spot in front of you that does not disappear. "The ophthalmologist will then give anti-inflammatory drugs so that the cells can recover as well as possible," quotes "Focus Online" Georg Eckert from the Professional Association of Ophthalmologists in Germany (BVA). But that doesn't always help.
The BfS provides information about the requirements that safety glasses should fulfill in any case: “For direct observation of the sun, only safety glasses or film glasses should be used that are clearly intended for this purpose and have special filter properties. A maximum of 0.001 percent of the sunlight can get through. ”(Ag)
> Image: J. Patrick Fischer, Wiki