Clinical Study
Optic Disc, Macula, and Retinal Nerve Fiber Layer Measurements Obtained by OCT in Thyroid-Associated Ophthalmopathy
Table 1
Comparison of the parameters between the patients with thyroid-associated ophthalmopathy (TAO) and control group according to side of the eyes.
| Parameters | Right eye | | Left eye | | TAO | Control | TAO | Control |
| Hertel exophthalmometer (mm) | 19.1 3.0 | 15.2 1.1 | 0.000 | 19.2 3.0 | 15.1 1.3 | 0.000 | IOP (mmHg) | 14.3 2.6 | 13.0 1.9 | 0.016 | 14.3 2.7 | 12.7 2.0 | 0.003 | Mean RNFL (µm) | 99.9 29.3 | 102.8 29.7 | >0.05 | 96.7 29.4 | 100.7 31.1 | >0.05 | Nasal RNFL (µm) | 79.2 16.4 | 83.7 16.2 | >0.05 | 80.0 16.1 | 81.5 16.5 | >0.05 | Inferior RNFL (µm) | 124.8 14.8 | 130.6 20.4 | >0.05 | 116.5 17.8 | 123.3 18.3 | >0.05 | Superior RNFL (µm) | 123.4 18.3 | 123.9 13.0 | >0.05 | 125.3 17.1 | 128.9 18.5 | >0.05 | Temporal RNFL (µm) | 72.1 15.4 | 73.0 14.4 | >0.05 | 65.1 10.7 | 69.0 16.1 | >0.05 | Mean macula thickness (µm) | 238.6 29.7 | 245.6 27.9 | 0.010 | 240.0 30.0 | 247.6 35.3 | 0.011 | Central macula thickness (µm) | 190 23.6 | 203.3 31.1 | 0.018 | 191.7 23.9 | 203.9 27.3 | 0.025 | Nasal macula thickness (µm) | 260.6 13.7 | 266.1 12.0 | 0.044 | 262.0 15.4 | 264.5 18.5 | >0.05 | Inferior macula thickness (µm) | 248.9 11.4 | 252.9 10.0 | >0.05 | 249.8 12.2 | 253.9 10.2 | >0.05 | Superior macula thickness (µm) | 254.0 14.2 | 260.0 10.0 | 0.017 | 256.1 14.5 | 261.3 11.4 | >0.05 | Temporal macula thickness (µm) | 239.9 12.5 | 245.1 10.6 | 0.021 | 240.6 13.4 | 254.6 50.2 | 0.016 | C/D ratio (horizontal) | 0.49 0.17 | 0.44 0.16 | >0.05 | 0.48 0.17 | 0.44 0.18 | >0.05 | C/D ratio (vertical) | 0.42 0.14 | 0.39 0.14 | >0.05 | 0.42 0.15 | 0.39 0.16 | >0.05 | Disc area (mm2) | 2.56 0.49 | 2.31 0.34 | 0.010 | 2.61 0.51 | 2.30 0.35 | 0.002 | Rim area (mm2) | 1.85 0.52 | 1.82 0.41 | >0.05 | 1.94 0.51 | 1.80 0.45 | >0.05 | C/D ratio | 0.26 0.14 | 0.20 0.13 | >0.05 | 0.24 0.13 | 0.21 0.13 | >0.05 |
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Data is demonstrated as mean standard deviation. RNFL: retinal nerve fiber layer. IOP: intraocular pressure. Statistical significance.
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