In-practice (in-office) optometric research.
Bruce
B
Evans
D035843:Biomedical Research / Q000379:methods*; D003153:Community Health Services / Q000458:organization & administration; D016208:Databases, Factual; D019317:Evidence-Based Medicine / Q000379:methods; D005139:Eyeglasses; D006801:Humans; D009907:Optometry / Q000379:methods*; D055656:Prescriptions / Q000706:statistics & numerical data; D013222:State Medicine / Q000458:organization & administration