Blue Light Exposure Calculator

Estimate daily blue light dose from screen time and devices.

Phone Screen Time (hours/day)

Computer Screen Time (hours/day)

TV Screen Time (hours/day)

Blue Light Filter

Formula

Blue Light Score = (Phone x 0.9 + Computer x 0.7 + TV x 0.4) x (1 - Filter%)

Does blue light from screens damage your eyes?

Research is ongoing, but prolonged exposure may contribute to digital eye strain.

Do blue light glasses actually work?

Blue light glasses can reduce exposure by up to 50% and may reduce eye fatigue.

How can I reduce blue light exposure?

Use night mode settings, take screen breaks, and consider blue light filtering glasses.

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