Table 1. Demographics of patients with hemi-optic or bi-optic neuropathy.
Hemi-optic neuropathy (n = 91), mean±SD | Bi-optic neuropathy (n = 151), mean±SD | p value | |
---|---|---|---|
Age (years) | 55.8±12.8 | 55.8±12.5 | 0.988* |
Sex (male/female) | 53/38 | 100/51 | 0.219† |
Laterality (right/left) | 44/47 | 79/72 | 0.596† |
Best-corrected visual acuity (LogMAR) | 0.0±0.1 | 0.0±0.1 | 0.199* |
Refraction (spherical equivalent, diopters) | -1.8±2.2 | -2.5±2.9 | 0.017* |
Intraocular pressure (mmHg) | 15.5±2.3 | 15.6±2.3 | 0.616* |
Central corneal thickness (μm) | 534.5±30.3 | 532.1±32.5 | 0.728* |
Humphrey visual field test | |||
MD (dB) | -6.5±4.6 | -16.6±6.3 | <0.001* |
PSD (dB) | 6.8±4.5 | 10.9±3.0 | <0.001* |
-MD-PSD (dB) | -0.3±2.2 | 5.7±6.0 | <0.001* |
VFI (%) | 84.3±14.1 | 54.1±21.4 | <0.001* |
Fixation loss (%) | 6.4±6.1 | 5.8±6.2 | 0.500* |
False positive (%) | 2.6±2.7 | 2.3±3.0 | 0.421* |
False negative (%) | 2.6±3.6 | 3.5±4.6 | 0.098* |
Test duration (s) | 299.0±74.9 | 370.4±74.9 | <0.001* |
Pupil diameter (mm) | 4.7±0.6 | 4.6±0.7 | 0.754* |
* Student’s t-test
† Pearson’s chi-squared test
Hemi-optic neuropathy = patients with superior or inferior glaucomatous optic neuropathy; bi-optic neuropathy = patients with superior and inferior glaucomatous optic neuropathy; MD = mean deviation; PSD = pattern standard deviation; VFI = visual field index; LogMAR = logarithm of the minimum angle of resolution