Inter-observer variation in refraction and visual acuity measurement using a standardized protocol.
PubMed ID: 6664675 Author(s): Klein R, Klein BE, Moss SE, DeMets D. Inter-observer variation in refraction and visual acuity measurement using a standardized protocol. Ophthalmology. 1983 Nov;90(11):1357-9. Journal: Ophthalmology, Volume 90, Issue 11, Nov 1983 Reproducible measures of refraction and visual acuity are necessary in clinical and population studies of eye diseases. Inter-observer differences in …