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Br J Ophthalmol 88:1274-1279 doi:10.1136/bjo.2004.046383
  • Clinical science
    • Extended reports

Frequency doubling technology perimetry in non-arteritic ischaemic optic neuropathy with altitudinal defects

Table 4

 Extent of visual field defect in the involved and uninvolved hemifield using SAP (SITA) and FDT in NAION subjects with regional and diffuse disc pallor (intergroup comparisons performed using a nested ANOVA of Rosner8)

Extent of disc pallor Number of subjects Percentage defect
Involved hemifield p Value (FDT v SITA) Uninvolved hemifield p Value (FDT v SITA)
SITA FDT SITA FDT
Regional 5 95.4 (10.3) 95.6 (9.7) 0.99 11.4 (5.1) 8.8 (9.2) 0.99
Diffuse 15 89.3 (6.7) 91.9 (9.8) 0.2692 7.9 (7.0) 46.7 (40.37) <0.0001

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