Is "Reading in dim light ruins your eyesight" still taught in school?

The human eye is designed to adapt to different lighting conditions. While reading in dim light can cause temporary eye strain, it does not cause lasting damage to your vision, a fact widely…

What you were taught

Reading in dim light ruins your eyesight

What we know now

The human eye is designed to adapt to different lighting conditions. While reading in dim light can cause temporary eye strain, it does not cause lasting damage to your vision, a fact widely accepted and publicized by the early 2000s.

Updated understanding emerged around 2000

Common questions

Was "Reading in dim light ruins your eyesight" taught in school?
Yes. This health idea was commonly taught, especially during the 1990s.
Is "Reading in dim light ruins your eyesight" true?
No. The human eye is designed to adapt to different lighting conditions.
When was this understanding updated?
Updated understanding emerged around 2000.

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Data compiled from scientific literature and educational research