Clinical evaluation of the Humphrey autorefractor.
A study is made of the accuracy and repeatability of the Humphrey autorefractor (HAR) objective refraction for different refractive groups as measured against subjective refraction. The value of the autofogging mechanism in objective refraction for different refractive groupings is assessed.
Yeow
P T
PT
Department of Ophthalmology, National University of Malaysia, Kuala Lumpur.
Taylor
S P
SP
D000293:Adolescent; D000328:Adult; D005069:Evaluation Studies as Topic; D006801:Humans; D012029:Refraction, Ocular / Q000295:instrumentation*; D015203:Reproducibility of Results; D014792:Visual Acuity