Why don't people have their eyes examined?
Roffe
Melvyn
M
D003365:Costs and Cost Analysis; D006801:Humans; D009907:Optometry / Q000191:economics; D010342:Patient Acceptance of Health Care; D010808:Physical Examination; D006113:United Kingdom; D014787:Vision Tests / Q000191:economics / Q000706:statistics & numerical data