Daily outdoor light for vision

Also known as: outdoor time, myopia prevention, bright light exposure

SStrong Evidence850 studies referenced

At least 2 hours of outdoor daylight exposure daily, especially for children and young adults. Strong RCT evidence (LAMP trial and others) for slowing myopia progression. Mechanism: dopamine release from retinal cells in response to bright natural light, which inhibits axial elongation of the eye.

Duration

2+ hours

Frequency

Daily

Equipment

None

How to do it

1Spend 2+ hours outdoors daily in natural daylight
2Cloudy days still provide far more lux than indoor lighting

3Outdoor reading or screen use also counts
4Especially important for children ages 6-14
5Schedule outdoor breaks during workday if possible

Safety notes

Wear UV-blocking sunglasses in bright sun. Don't stare at the sun.

Protocols featuring this habit

Myopia Progression SlowdownAAdequate Evidence

Questions about Daily outdoor light for vision

How was Daily outdoor light for vision actually done in the studies?

How long and how often did studies test Daily outdoor light for vision?

Are there safety considerations for Daily outdoor light for vision?

Health domains

Vision & eye health Sleep & recovery

ProtocolEngine provides general health information based on published research. This is not medical advice. Consult a healthcare professional before starting any supplement or health protocol.