Technique for determining glaucomatous visual field progression by using animation graphics

B. C. Chauhan; S. M. Drance; R. P. LeBlanc; M. F. Lieberman; R. P. Mills; E. B. Werner

doi:10.1016/S0002-9394(14)75800-3

Technique for determining glaucomatous visual field progression by using animation graphics

B. C. Chauhan, S. M. Drance, R. P. LeBlanc, M. F. Lieberman, R. P. Mills, E. B. Werner

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15 Citations (Scopus)

Résumé

The first two visual field examinations of each of 16 glaucoma suspects and 16 glaucoma patients, who were followed up for a median of 7.46 years with seven examinations, were averaged. Three-dimensional color-coded images of the visual field were then generated. After correcting for test-retest variability, the images, as well as additional interpolated images, were aligned and presented in rapid succession to create an animation sequence. Five glaucoma specialists trained themselves to classify the visual fields as either progressing or not progressing. The interobserver and intraobserver agreement rates were then calculated. Perfect agreement (100% concordance) between the observers was obtained for 18 (56.3%) subjects, and at least 80% concordance was obtained for 27 (84.4%) subjects. Of the eight sequences that were repeated to test intraobserver agreement, four of the five observers had a value of at least 87.5%.

Langue d'origine	English
Pages (de-à)	485-491
Nombre de pages	7
Journal	American Journal of Ophthalmology
Volume	118
Numéro de publication	4
DOI	https://doi.org/10.1016/S0002-9394(14)75800-3
Statut de publication	Published - 1994
Publié à l'externe	Oui

Note bibliographique

Funding Information:
From the Departments of Ophthalmology, Dalhousie University, Halifax, Nova Scotia (Drs. Chauhan and LeBlanc); University of British Columbia, Vancouver, British Columbia (Dr. Drance); California Pacific Medical Center, San Francisco, California (Dr. Lieberman); University, of Washington, Seattle, Washington (Dr. Mills); and Hahnemann University, Philadelphia, Pennsylvania (Dr. Werner). This study was supported in part by the Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia (Dr. Chauhan), by grants MT-11357 (Drs. Chauhan and LeBlanc) and MT-1578 (Dr. Drance) from the Medical Research Council of Canada, Ottawa, Ontario, and by an award from Research to Prevent Blindness Inc., New York, New York (Dr. Mills).

ASJC Scopus Subject Areas

Ophthalmology

PubMed: MeSH publication types

Journal Article
Research Support, Non-U.S. Gov't

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10.1016/S0002-9394(14)75800-3

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abstract = "The first two visual field examinations of each of 16 glaucoma suspects and 16 glaucoma patients, who were followed up for a median of 7.46 years with seven examinations, were averaged. Three-dimensional color-coded images of the visual field were then generated. After correcting for test-retest variability, the images, as well as additional interpolated images, were aligned and presented in rapid succession to create an animation sequence. Five glaucoma specialists trained themselves to classify the visual fields as either progressing or not progressing. The interobserver and intraobserver agreement rates were then calculated. Perfect agreement (100% concordance) between the observers was obtained for 18 (56.3%) subjects, and at least 80% concordance was obtained for 27 (84.4%) subjects. Of the eight sequences that were repeated to test intraobserver agreement, four of the five observers had a value of at least 87.5%.",

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Technique for determining glaucomatous visual field progression by using animation graphics

Résumé

Note bibliographique

ASJC Scopus Subject Areas

PubMed: MeSH publication types

Accès au document

Autres fichiers et liens

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