Relation between vascular compression and visual function in normal tension glaucoma and high tension glaucoma
| With compression | Without compression | p Value | |
|---|---|---|---|
| Normal tension glaucoma | |||
| Number of eyes | 24 | 8 | |
| Age (years) | 65.6 (11.97) | 64.3 (11.7) | 0.786 |
| Visual acuity (logMAR) | 0.16 (0.44) | 0.06 (0.14) | 0.548 |
| Cup to disc ratio | 0.80 (0.17) | 0.66 (0.23) | 0.083 |
| MD (dB) | −15.02 (8.77) | −15.95 (5.94) | 0.781 |
| PSD (dB) | 9.49 (3.70) | 11.96 (1.84) | 0.082 |
| CPSD (dB) | 8.36 (4.03) | 11.39 (3.01) | 0.061 |
| High tension glaucoma | |||
| Number of eyes | 12 | 20 | |
| Age (years) | 68.56 (10.4) | 63.9 (13.5) | 0.321 |
| Visual acuity (logMAR) | 0.20 (0.27) | 0.53 (0.99) | 0.277 |
| Cup to disc ratio | 0.62 (0.22) | 0.78 (0.23) | 0.063 |
| MD (dB) | −11.23 (10.60) | −15.26 (12.63) | 0.361 |
| PSD (dB) | 6.20 (4.27) | 5.76 (4.51) | 0.787 |
| CPSD (dB) | 5.48 (4.66) | 5.01 (4.98) | 0.795 |
↵Student’s t test; MD = mean deviation; PSD = pattern standard deviation; CPSD = corrected pattern standard deviation.