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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.
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 ...
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
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.
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 ...
Under optimum conditions, the most intense thunderstorms can be seen at up to 100 miles (160 km) over flat terrain or water when the clouds are illuminated by large lightning discharges. However, an upper limit of 30–50 miles (48–80 km) is more common due to topography, trees on the horizon, low to mid-level clouds, and the fact that local ...
“Lightning can travel through plumbing,” the CDC said. “It is best to avoid all water during a lightning storm. Do not shower, bathe, wash dishes, or wash your hands.” ...
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 .