Many Optometrists supply the prescribed eyeglasses and fit and adjust contact lenses. Optometrists also prescribe vision therapy or other treatment which does not require medication or surgery. Although most Optometrists are in general practice, some specialize in work with the elderly or with children. Others work with partially sighted persons, who use microscopic or telescopic lenses. Still others concentrate on contact lenses or vision therapy.
Optometrists teach, conduct research, and serve on health advisory committees of various kinds.
Optometrists should not be confused with either ophthalmologists or dispensing opticians. Ophthalmologists are physicians who specialize in medical eye care, eye diseases and injuries, perform eye surgery, and prescribe drugs or other eye treatment, as well as lenses. Some also work in retail optical stores. The work requires a lot of attention to detail. Optometrists who are self-employed have considerable flexibility in setting their hours of work and may continue to practice after the normal retirement age.