title: Maintaining the value of an optometric practice.
mesh_terms: D003941:Diagnostic Techniques, Ophthalmological / Q000191:economics; D006801:Humans; D007182:Income; D040541:Marketing; D009907:Optometry / Q000191:economics / Q000592:standards*; D011364:Professional Practice / Q000191:economics; D012179:Retirement; D014481:United States