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What is the maximum safe light intensity that can go into your eyes?

1 doctor weighed in
Dr. Richard Bensinger
Ophthalmology

In brief: Depends

Standard light sources pale in comparison to the sun.
Since the eye focuses light on the back, a strong light source, if held steady can cause damage to the light receptors of the retina. We instinctively do not stare at bright light for this reason. Laser sources of course, can override this natural mechanism. The strength of dangerous light is a combination of time and intensity, .

In brief: Depends

Standard light sources pale in comparison to the sun.
Since the eye focuses light on the back, a strong light source, if held steady can cause damage to the light receptors of the retina. We instinctively do not stare at bright light for this reason. Laser sources of course, can override this natural mechanism. The strength of dangerous light is a combination of time and intensity, .
Dr. Richard Bensinger
Dr. Richard Bensinger
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