Solar Eclipse 2023: What certification do glasses have to have to see the eclipse?

Do you know what would happen if we witnessed the October 14th solar eclipse with lenses that did not have this certification?we tell you everything

Next annular solar eclipse Scheduled for Saturday, October 14, 2023and from Mexicoexpected We can observe up to 90% solar dimming, depending on our geographical location.However, it is necessary to emphasize that Purchasing glasses with the appropriate certification is essential to safely enjoy this astronomical phenomenon.

A solar eclipse is an astronomical event that occurs when one celestial body passes into the path of light from another celestial body, creating a shadow in the process. On Earth, We have the opportunity to observe two main types of eclipses: solar and lunar.

Risks of viewing a solar eclipse without proper protection include the possibility of contracting eye diseases, such as conjunctivitis and punctate keratitis., or even the macula is burned, which can lead to blindness in the long run. Apart from, Because light is concentrated in the lens of the eye and focused on a small spot on the retina, there is a threat of damage to the retinawhich in the worst case could cause damage or permanent blindness.

So how can we enjoy this eclipse safely?

The answer lies in getting eyewear certified by ISO 12312-2, a certification issued by International Organization for Standardization (ISO).

This international standard It is suitable for all afocal products used for direct observation of the sun and solar eclipses. Therefore, by using glasses with this certification, we can enjoy partial phases of the eclipse with satisfaction while protecting our eyes from possible damage caused by strong solar radiation.

ISO 12312-2 sets minimum requirements for eyewear, including transmittance, which is the ratio of light transmitted at different wavelengths. (ultraviolet, visible and infrared light) reaching our retina, as well as the uniformity of transmittance, the quality of materials and surfaces, frames and labels.

Choose glasses that meet this criteria Ensure a safe and satisfying experience during the annular solar eclipse on October 14, 2023.


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