Non-imaging and non-laboratory tests performed that result in structured or unstructured findings specific to the patient to facilitate the diagnosis and management of conditions.

Data Element


A refraction test is what the doctor uses to get your eyeglasses prescription. You look at a chart, usually 20 feet away, or in a mirror that makes things look like they’re 20 feet away. You’ll look through a tool called a phoropter. It lets the doctor move lenses of different strengths in front of your eyes. The test also helps your doctor spot presbyopia, hyperopia, myopia, and astigmatism. Source: WebMD Glossary of Eye Tests and Exams LOINC Panel 79895-9


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