our standard of living is the degree, to which these needs and wants are satisfied. but as time goes on, what we think of as our basic needs changes. twenty years ago a television would have been a luxury, and still is in many countries now. even now we cannot say it is a need ...
Optometrists are not the same asophthalmologistsandopticians. Optometrists perform eye and vision exams and can treat a number of eye conditions. Opticians take measurements for eyeglass frames and guide patients in selecting lens materials. They also help patients with issues such as learning to put ...
Opticianscan help you choose frames for your glasses and provide information about types of lenses and lens coatings. They cannot give eye exams, write prescriptions, or diagnose or treat eye problems. Optometristscan examine your eyes, test your vision, prescribe glasses or contacts, and diagnose ...
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