Leolightdesign specialises in light and health, good lighting design for the maturing
eyes to sustain independence and to enhance quality of life. Lighting consultants
consider glare, contrast, colour, adaptation, light levels and other specific visual
conditions to provide the best lighting design solution to meet the needs of the
individual and the elderly.
Leolightdesign, lighting design consultancy specialising in light and health is based
on the conviction that the access to light is a human right.
The maturing eye needs more light
Everyone needs good levels of light and as we get older we all need even more light.
Our vision deteriorates with age due to the physiological and pathological changes
that occur within the eye. Light entering the eye is focused on the retina at the
back of the eye, which transmits any visual signals to the brain. As the eye ages,
less light reaches the retina. To overcome the problems resulting from this change,
the eye needs significantly more light than when aged twenty to perform the same
Slow adaptation to varying light levels and glare
In addition, the eye looses flexibility, and consequential the maturing eye takes
longer to adapt to changes in lighting levels or illuminance. The light transmission
qualities of the eye also deteriorate with age. Therefore lighting design for the
maturing eyesight has to consider and control glare.
Just as important is the colour and illuminance contrast for the maturing eye. The
lens becomes more opaque with aging and the surrounding objects are more difficult
to see because the contrast for example between chair and table is significantly
reduced. The aging lens and cornea causes glare by light scattering and the yellowing
of the lens causes some reduction of the eyes ability to discriminate blues and blue-greens.
As lighting consultants we have studied the physiology of the human eye and understand
the beneficial effects of light and utilise lighting to compensate for the changes
that commonly occur in the maturing eye. We design good practical lighting solutions
specific to people’s special visual needs. Good Lighting can compensate for the lack
of natural light and good lighting should expose older adults to spectral qualities
which promote physical, emotional and mental well-being. Indeed, good quality lighting
will help people of all ages to live independently for much longer, to enjoy a comfortable
visual environment and it enhances the quality of life.
Good quality lighting is important for maturing eyesight