Datiles, M B Measurement error in assessing the size of posterior subcapsular cataracts from retroillumination photographs. [electronic resource] - Investigative ophthalmology & visual science Aug 1989 - 1848-54 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0146-0404 Subjects--Topical Terms: Cataract--classificationDiagnostic ErrorsHumansImage Processing, Computer-AssistedLightingPhotographyResearch Design