by Tom Farin
CHALLENGE
Older eyes need more light, especially for distinguishing fine details.
SOLUTIONS
Increase the general light level in the space
Improve the uniform distribution of light in the space
Avoid the "drama" of bright and dark areas in the space
Use light colored surfaces in the space to maximize the amount of light
CHALLENGE
Glare sources, however, are especially a problem for older eyes.
SOLUTIONS
Provide transition zones of "medium-brightness" lighting when traveling from brightly-lit spaces to more dimly-lit spaces and vice-versa
Reduce direct and indirect (reflected) glare wherever possible
Position TVs, computer monitors, and work surfaces to avoid reflected glare
Task lighting should be well shieldedTask lighting should be located above and behind the person if possible
Use indirect lighting whenever possible (e.g., cove lighting , valence lighting, suspended indirect fixtures)
Use well-shielded wall sconces
Use multiple "layers of light" in the space
Avoid using bare or exposed lamps
Avoid using bright luminaire lenses
Avoid using shiny luminaire louvers
CHALLENGE
Older eyes have difficulty distinguishing contrasts.
SOLUTIONS
Use light/dark contrasts wherever possible
Use color contrasts wherever possible
Use light sources with high color rendering capabilities
Written by Tom Farin
Please enable JavaScript to view the comments powered by Disqus.
blog comments powered by
Sign up for our 
