refr
refr — abbreviation
1. written abbreviation for 'refraction' — the bending of light, sound, or other wa
written abbreviation for 'refraction' — the bending of light, sound, or other waves as they pass at an angle from one substance, such as air, into another, such as water or glass. In eye care, it also refers to the measurement of how the eye focuses light, used to determine a prescription for glasses or contact lenses.
Dr. Nala wrote 'refr: −3.25 D' in the patient's eye exam records.
abbreviation used in optometry records
The physics textbook explained refr using a diagram of light passing through a glass block.
refr in a physics context
Reema checked the refr values before ordering new lenses for the client.
The optician's report listed the refr measurements for both of Hamza's eyes.
用法筆記
Commonly seen in medical charts, optometry records, and physics laboratory reports rather than in everyday speech.