BIOLOGY MYTH BUSTED

Does Blue Light From Phones Cause Permanent Eye Damage?

MYTH: BUSTED

Researcher

Kamryn Faber
Email: knf833@eid.utexas.edu

The Myth

Many social media posts claim that blue light from phones permanently damages the eyes or causes blindness. These claims are often used to promote blue-light blocking glasses or screen protectors.

But what does the science actually say?

Read Full Scientific Breakdown

Instagram Post

Smartphone screen

@myths.busted.2026

BIO MYTH BUSTED

Myth: Phone blue light permanently damages your eyes.

Truth: Scientific studies show phone screens do NOT emit enough blue light to damage the retina.

Screens can cause eye strain and affect sleep, but they will NOT make you go blind.

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