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The qualitative comparative analysis of the visual field using computer assisted, semi-automated and manual
Documenta Ophthalmologica. Advances in Ophthalmology
|December 15, 1984
Abstract:
A comparative evaluation of the Octopus automated perimeter (Programmes 21 and 31), the Goldmann Bowl perimeter, the Bjerrum Screen and the Friedmann VFAs MkI and MkII was carried out on a heterogeneous sample of 75 patients. The results for the sample as a whole were analysed statistically in terms of the scoring system developed by Flanagan, Wild, Barnes, Gilmartin, Good and Crews (1984a). Statistically significant differences between the instruments were found at each of the 4 levels of analysis.