Variability of sensitivity thresholds in short-wavelength automated perimetry (SWAP) in the central vision field
To determine the distribution of sensitivity thresholds of short-wavelength automated perimetry (SWAP) in the central visual field, analysing their variability depending on the eccentricity, in normal subjects. 128 eyes of 128 normal subjects were analyzed. They underwent a SWAP examination. A linea...
Saved in:
Published in | Archivos de la Sociedad Española de Oftalmología Vol. 75; no. 2; pp. 85 - 90 |
---|---|
Main Authors | , , , , , , , |
Format | Journal Article |
Language | Spanish |
Published |
Spain
01.02.2000
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | To determine the distribution of sensitivity thresholds of short-wavelength automated perimetry (SWAP) in the central visual field, analysing their variability depending on the eccentricity, in normal subjects.
128 eyes of 128 normal subjects were analyzed. They underwent a SWAP examination. A lineal regression model was used to establish a <<standard visual field>> (SVF). The SVF determines the threshold distribution and its variability.
The regression analysis obtained a SVF, age-corrected, which considers the influence of age in the different points of the visual field. The threshold distribution showed higher inter-subject deviations as eccentricity increased (p<0.001).
The determination of variability of the threshold sensitivity deviations in the different points of the central visual field allows future development of perimetric algorythms for SWAP. |
---|---|
Bibliography: | ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 |
ISSN: | 0365-6691 |