Can flash blindness cause permanent damage?
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.
Can Flash damage eyes?
Yes, there are ways that extremely bright lights can damage someone’s eyes. However, photography flashes, at least for the vast majority of people in the vast majority of circumstances, aren’t harmful. There is something called “flash blindness,” when the retina gets too much light and you can’t see clearly.
How long does temporary blindness last?
The loss of vision is usually in just one eye and lasts from seconds to minutes. Episodes of blindness may be very short, from under a minute to 30 minutes. The episodes may happen rarely. If the cause is treated, the temporary vision loss may stop.
Can you go blind from welders flash?
When welders don’t properly protect their eyes from the arc, they commonly suffer welder’s flash, or photokeratitis, a condition caused by exposure to intense ultraviolet radiation resulting in temporary blindness and extreme discomfort. More extreme eye injuries can result in permanent blindness.