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Some concepts on the use of three-dimensional isometric plots for the representation of differential sensitivity
J M Wild1, J M Wood, F M Worthington
1Department of Vision Sciences, Aston University, Birmingham, UK.
Documenta Ophthalmologica. Advances in Ophthalmology
|April 1, 1987
Abstract:
An increasing use is being made of three-dimensional isometric plotting to represent the topography of the visual field. The format of such plots, however, can be manipulated depending upon the parameters of the plotting routine. Problems associated with generating these plots such as resolution of the plotting grid, scaling of sensitivity and orientation of the plot are discussed with reference to both normal and abnormal fields derived by the Octopus 201 automated perimeter (stimulus size III). Recommendations for this type of perimetric representation are suggested.