Ten Steps to Visual Longevity
As we age the lens of our
eye loses flexibility, and by 50 most of us need
glasses and are holding the "small print" further and further from our eyes. The
lens' ability to change shape to accommodate to objects brought close to the eye
is called "accommodation". Modern living exacerbates this AGE-RELATED tendency
to lose accommodation.
The conventional path to worsening vision is to wear
glasses which make things sharp and clear. These often make the eyes weaker
over time, and cause one to want stronger glasses. Instead, learn to become
comfortable with a little blurriness, i.e. a 20/40 prescription, which is
legal for driving in most states.
Follow these, Ten Steps To Visual Hygiene to reduce the heightened visual
this admittedly mostly unavoidable modern near vision predominance produces.
Look up and away from near vision tasks often. Good habits for close work
include: Take breaks often. Stand up and stretch, take some deep breaths, get
the circulation going and give your eyes a break.
Lighting illumination should be three times brighter than the rest of the room.
Do not read under a single lamp. Eliminate all glare.
straight and have your work at eye task level.
Best distance is 14 to 16 inches for adults.
Avoid reclining postures. Sit up right while reading or watching TV in bed.
While writing: Hold your pen at least one inch from the tip so you do not need
to tilt your head to see your words as you write.
View at a distance at least 7 times the width of the TV screen.
Participate in outdoor activities that require seeing at a distance.
Eat a diet high in a wide variety of fruits and vegetables all the
colors. Supplement with
anti-oxidants and botanicals known to promote eye health
like lutein, zeaxanthin and bilberry.
A) Wear black-gray and green-gray because they allow the full spectrum of
colors evenly without distortion.
B) Blue is bad for it scatters light. Pink
and yellow allow more light and strain the eyes on bright days.
sufferers should use brown for its softer tones. Polarized means a plastic film
between the lenses that cuts off harmful glare and reflection.
prescriptive sun glasses today have built in UV protection for both UVA and UVB
which are the next two wavelengths after ultra violet on the visible spectrum.
Check for the word filtered on the tag. Transitional lenses are clear indoor and
dark outdoors, have a gray hue all the time, which is caused by UV from indoor
D) Best to wear at the computer and for night driving to
reduce the halo effect are lenses with anti-reflection coatings that let in more
You can maintain your good eye health and vision, possibly reducing the need for
ever stronger glasses, by following these simple recommendations.
Remember to breathe as you work. Often, especially when under stress, there
is a tendency to hold one's breath, limiting much-needed oxygen from the eyes
and brain. Breathing also produces a relaxation effect in the body, good for