Skip to Main Content

Optometry: Articles

Search for Articles by Topic

OPTOMETRY AND BIOMEDICAL DATABASES

PubMed

Additional biomedical databases


BIOLOGY AND NEUROSCIENCE


PSYCHOLOGY AND COGNITIVE SCIENCE


ENGINEERING, TECHNOLOGY


GENERAL SCIENCE

PICO Framework for Optometry Research Questions

Use PICO to frame research questions.

Population / problem examples: astigmatism, myopia, cataracts, eye tracking, children, adults, aged

Intervention examples: corrective lens, surgery

Comparison interventions are optional

Outcome examples: improved vision

Embase database has a handy PICO search form.

Boolean Operators

Venn diagram: AND

 

Venn diagram: OR

 

Venn diagram: NOT

Use "OR" when combining terms within the same PICO frame.

Use "AND" when combining terms from different PICO frames.

The "NOT" operator is a very blunt instrument; avoid it most of the time.