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  2. Flash blindness - Wikipedia

    en.wikipedia.org/wiki/Flash_blindness

    However, if the eyes are exposed to a high enough level of light, such as a nuclear explosion, the blindness can become permanent. Flash blindness may also occur in everyday life. For example, the subject of a flash photograph can be temporarily flash blinded. This phenomenon is leveraged in non-lethal weapons such as flash grenades and laser ...

  3. Lightning injury - Wikipedia

    en.wikipedia.org/wiki/Lightning_injury

    Direct strike: lightning directly hits the person Orifice entry: may occur if lightning strike occurs near the head entering eyes, ears and mouth to flow internally; Side splash: lightning jumps from the location of primary strike to a nearby person; Contact injury: injury that occurs when a person is touching an object on the pathway of lightning

  4. Photopsia - Wikipedia

    en.wikipedia.org/wiki/Photopsia

    Peripheral (posterior) vitreous detachment occurs when the gel around the eye separates from the retina. This can naturally occur with age. However, if it occurs too rapidly, it can cause photopsia which manifests in flashes and floaters in the vision. Typically, the flashes and floaters go away in a few months.

  5. Woman struck by lightning in bed - AOL

    www.aol.com/news/woman-struck-lightning-bed...

    When there's thunder and lightning outside, childhood instinct says to hide under the covers. Check out these crazy lightning snapshots: Unfortunately, a woman in Michigan found out this week that ...

  6. 5 ways you can be struck by lightning ... and only 1 ... - AOL

    www.aol.com/weather/5-ways-struck-lightning-only...

    The overall risk of being struck by lightning is very low, with odds of one in 15,300 of being hit in your lifetime (defined as 80 years), according to the National Weather Service.

  7. Seasonal affective disorder doesn’t mean you have to be SAD ...

    www.aol.com/news/seasonal-affective-disorder...

    Make sure to stay 2 to 3 feet away from it and do not look directly into the box because 10,000 lux can hurt your eyes. Invest in a dawn simulator. These type of alarm clocks imitate natural sunlight.

  8. Moore's lightning streaks - Wikipedia

    en.wikipedia.org/wiki/Moore's_lightning_streaks

    Moore's lightning streaks are lightning type streaks (seen to the temporal side) due to sudden head or eye movement in the dark. They are generally caused by shock waves in the vitreous humor hitting the retina or traction on the retina from fibers in the vitreous humor .

  9. Heat lightning - Wikipedia

    en.wikipedia.org/wiki/Heat_lightning

    The actual phenomenon that is sometimes called heat lightning is simply cloud-to-ground lightning that occurs very far away, with thunder that dissipates before it reaches the observer. [2] At night, it is possible to see the flashes of lightning from very far distances, up to 100 miles (160 km), but the sound does not carry that far. [3]