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OCR for page 41
has a special clinic for the aging. In addition, Don Pitts, an optometrist
at the Houston school, has surveyed lighting and studied the visual
demands of working with video display terminals at several local com-
puter and software companies. He and a university colleague teach a
year-Ion" course in environmental optometry, informing students about
the different lighting requirements and visual demands of the ounce,
school, factory, and motor vehicle. Design factors to enhance job e~-
ciency and safety are discussed. According to Pitts, even small lighting
deficiencies, glare, or a low-contrast work environment can be a major
problem for a worker whose sight is already limited.
Conelusion
The aging of the human eye involves a series of changes in visual
performance that can be readily detected in the healthy adult. Reduced
visual functioning need not have any effect on job performance, but for
some individuals it will.
It is obviously in the employer's interest to be responsive to the
visual needs of older workers indeed, of all workers. A firm may save
considerable time and money in building and sustaining a productive
work force through health care and employment policies in which vision
care has been given a prominent role. Evidence suggests that much has
already been done by some firms to meet the vision needs oftheir workers,
but much more work lies ahead.
In order to make it possible for all workers to maintain their
productivity in the face of changes in vision that typically occur with age,
it will be necessary for scientists, manufacturers, and employers to
pursue some common goals.
Scientists will need to give more emphasis to research that
promotes suitable vision-screening procedures for older workers, for
example, and to research that leads to a better understanding of the
normal changes that occur in vision over the course of a person's life.
Manufacturers of devices used by older workers at the job site
should develop new technologies or improve existing ones to meet the
vision needs of older workers. Portable work units might permit older
workers to adjust lighting to more comfortable levels, for example, and
keyboards and panels should offer greater contrast between symbols and
their backgrounds than they currently do—a change that might well
benefit all workers.
Once advances such as these have been made, employers might
have at their disposal the components of a vision-based employment
program that would be sensitive to the vision needs of aging workers and
suited to the unique tasks performed by all workers.
41
Representative terms from entire chapter:
eye involves
