Use of photographic techniques to grade nuclear cataracts.

Bibliographic Details
Title: Use of photographic techniques to grade nuclear cataracts.
Authors: West SK; Wilmer Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland., Rosenthal F, Newland HS, Taylor HR
Source: Investigative ophthalmology & visual science [Invest Ophthalmol Vis Sci] 1988 Jan; Vol. 29 (1), pp. 73-7.
Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.
Language: English
Journal Info: Publisher: Association For Research In Vision And Ophthalmology (Arvo) Country of Publication: United States NLM ID: 7703701 Publication Model: Print Cited Medium: Print ISSN: 0146-0404 (Print) Linking ISSN: 01460404 NLM ISO Abbreviation: Invest Ophthalmol Vis Sci Subsets: MEDLINE
Imprint Name(s): Publication: Brookline Ma : Association For Research In Vision And Ophthalmology (Arvo)
Original Publication: St. Louis, Mosby.
MeSH Terms: Cataract/*pathology , Lens Nucleus, Crystalline/*pathology , Lens, Crystalline/*pathology , Photography/*methods, Densitometry ; Humans
Abstract: Methods for objectively documenting and grading different varieties of lens opacities are needed in order to conduct research on risk factors for cataracts. This study tested the feasibility and reliability of using two different photographic methods to grade nuclear opacities. Photographs were taken of 41 eyes using a regular Topcon SL-5D photo slit lamp, and using a Topcon SL-45 (Scheimpflug) camera. The photographs were graded against a set of four standard photographs of increasing nuclear opacification. Densitometric analyses were also performed on both sets of photographs. The clinical grade, on examination, of the nucleus was compared to the examiner's grade of each photograph. Agreement was fair between the examination results and the grading of the photographs. Inter-observer reliability was high (kappa = 0.71) with photographs taken using the photo slit lamp. Moreover, the severity grading of the photographs showed a good correlation with the severity of opacity as determined by densitometric analyses. On the basis of these data, and on the field experience, the use of photographs of the nucleus obtained by photo slit lamp may be used in epidemiological surveys.
Grant Information: EYO-4547 United States EY NEI NIH HHS
Entry Date(s): Date Created: 19880101 Date Completed: 19880223 Latest Revision: 20071114
Update Code: 20210914
PMID: 3335435
Published: 1988 Jan
Database: MEDLINE

Academic Journal

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