In the Nepal Blindness Survey, 39,887 people in 105 sites were examined by 10 ophthalmologists from Nepal and four other countries during 1981. Ophthalmic protocols were pretested on approximately 3000 subjects; however, interobserver variability was inevitable. To quantify the amount of variability and assess the reliability of important ophthalmic measures, a study of interobserver agreement… Continue reading Reliability of ophthalmic diagnoses in an epidemiologic survey