Would that damage the retina? We all know the sun's UV can damage eyes but can a phones torch light like if you held it right up by your eye for long periods of time.
Would that damage the retina? We all know the sun's UV can damage eyes but can a phones torch light like if you held it right up by your eye for long periods of time.
But any sufficiently bright visible light shone directly into the eyes for long enough is going to cause damage. Flashing the light on an ordinary torch or mobile phone into your eyes for a few seconds or even minutes probably not. Stare at the Sun for minutes or even hours and you could lose eyesight
But any sufficiently bright visible light shone directly into the eyes for long enough is going to cause damage. Flashing the light on an ordinary torch or mobile phone into your eyes for a few seconds or even minutes probably not. Stare at the Sun for minutes or even hours and you could lose eyesight