Research Article
Assessment of the Optic Disc Morphology Using Spectral-Domain Optical Coherence Tomography and Scanning Laser Ophthalmoscopy
Table 2
Comparison of the equivalent ONH parameters measured with Cirrus OCT and HRT3 in the normal and glaucoma groups.
| | | Cirrus OCT | HRT3 | | | | Min | Max | Mean | SD | Min | Max | Mean | SD |
| Normal group | Rim area | 0.87 | 2.33 | 1.49 | 0.29 | 0.86 | 2.59 | 1.50 | 0.32 | 0.87 | Disc area | 1.07 | 2.67 | 1.93 | 0.32 | 0.89 | 3.43 | 1.87 | 0.44 | 0.17 | Average C/D | 0.06 | 0.77 | 0.42 | 0.17 | 0.00 | 0.58 | 0.19 | 0.13 | <0.001 | Vertical C/D | 0.06 | 0.74 | 0.40 | 0.16 | 0.00 | 0.74 | 0.26 | 0.22 | <0.001 | Cup volume | 0.00 | 0.78 | 0.10 | 0.13 | 0.00 | 0.48 | 0.07 | 0.09 | 0.050 |
| Glaucoma group | Rim area | 0.23 | 1.45 | 0.80 | 0.25 | 0.20 | 2.09 | 1.06 | 0.34 | <0.001 | Disc area | 1.45 | 2.53 | 2.02 | 0.26 | 1.30 | 3.82 | 2.11 | 0.41 | 0.013 | Average C/D | 0.53 | 0.9 | 0.76 | 0.09 | 0.00 | 0.87 | 0.49 | 0.18 | <0.001 | Vertical C/D | 0.54 | 0.89 | 0.74 | 0.09 | 0.00 | 0.95 | 0.66 | 0.21 | <0.001 | Cup volume | 0.02 | 0.97 | 0.49 | 0.23 | 0.00 | 1.41 | 0.31 | 0.22 | <0.001 |
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Student’s t-test. C/D: cup-to-disc ratio; Min: minimum; Max: maximum; SD: standard deviation.
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