The light we need | health and fitness | Hindustan Times
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The light we need

Eye is such an adaptable organ, it enables us to see in illumination that is close to darkness.

health and fitness Updated: Jun 05, 2003 21:30 IST
PTI

The eye is such an adaptable organ that it enables us to see in illumination that is close to darkness as well as bright daylight. Bright moonlight is measured as 0.1 lux and bright sunshine is measured as 100,000 lux.

To avoid eyestrain, it is recommended that illumination should 30 times as much as is required to just manage to do a particular job.

Here are some indicators of light requiremented by us.


TaskLight Required

(in lux)
Casual reading100
General office work400
Fine assembly900
Watch making2,000 to 3,000

(Source: Webhealthcentre.com)