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Br J Ophthalmol 84:993-998 doi:10.1136/bjo.84.9.993
  • Original Article
    • Clinical science

Use of sequential Heidelberg retina tomograph images to identify changes at the optic disc in ocular hypertensive patients at risk of developing glaucoma

Table 3

95% limit of normal variability (1.96 × SD mean difference between HRT1 and HRT2 for the normal group)

Parameter Cup area (mm2) Cup volume (mm3) Rim area (mm2) Rim volume (mm3)
Global 0.160 0.056 0.248 0.116
Inferotemporal 0.008 0.019
Inferonasal 0.004 0.017
Superotemporal 0.020 0.013 0.033 0.014
Superonasal 0.020 0.036 0.017

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