Title: Eye care visits and use of eyeglasses or contact lenses, United States, 1979 and 1980
Subjects: Optometry, Eyeglasses, Eye, Diseases, Optometrists, Contact lenses, Socioeconomic Factors, Patients, Ophthalmology, Statistics, Health surveys, Medical Statistics, Physician services utilization, Supply and distribution, Contact Lenses, Supply & distribution, Socioeconomic factors
Places: United States