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Br J Ophthalmol 84:1194-1197 doi:10.1136/bjo.84.10.1194
  • Scientific correspondence

Improvement of reproducibility of macular volume measurements using the Heidelberg retinal tomograph

Table 1

M and SD of the VARP values plus the S, SE1, SE3, and COV of the VARP differences

Normal macula Macular oedema
No laser With laser Combined
Diameter of circle (mm) 2 3 2 3 2 3 2 3
M (mm3) (SD) 0.145  (0.075) 0.426  (0.247) 0.270  (0.113) 0.598  (0.283) 0.367  (0.211) 0.852  (0.434) 0.319  (0.174) 0.715  (0.375)
S (mm3) 0.019 0.046 0.022 0.043 0.046 0.082 0.036 0.065
SE1(mm3) 0.054 0.132 0.060 0.120 0.129 0.231 0.101 0.185
SE3(mm3) 0.031 0.036 0.036 0.071 0.075 0.133 0.058 0.107
COV (%) 13 12 8 7 12 9 9 11

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