Lighting · Projected milestone

40 Hz flicker therapy for Alzheimer's

Estimated year~2028

38% by 2033 · including earlier years

The year is an editorial timing estimate. The percentage applies to occurrence by the stated deadline. These estimates are not calibrated odds.

Glasses and headphones that flicker light and sound 40 times a second win approval to slow memory loss in Alzheimer's disease.

What the forecast means

Milestone stage: milestone (legacy definition)

Completion criteria: Legacy milestone: refine the observable threshold before resolving.

This page describes a forecast, rather than an achieved result. Read the methodology and assumptions.

No individual source links are recorded for this milestone. Source coverage and review status vary across the atlas.

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.