Table 2

Visual fields of 32 patients with optic disc melanocytoma

FeaturePatientsP value
Visual fields, n in complete/n in incomplete BVN group (%)
 No visual field defect7 (44)/0 (0)0.007
 Enlarged blind spot only2 (13)/2 (13)>0.999
 Nasal step4 (25)/2 (13)0.654
 Early arcuate-like defect1 (6)/5 (31)0.172
 Advanced arcuate-like defect0 (0)/5 (31)0.043
 Non-specific scotoma2 (13)/1 (6)>0.999
 Total defect0 (0)/1 (6)>0.999
  • BVN, blood vessel network.