Table 1. Patients characteristics.
| Parameters | Group 1 | Group 2 | P |
| Age (a) | 68.87±8.68 | 68.00±10.66 | 0.944 |
| Gender (M:F) | 30:34 | 24:18 | 0.453a |
| Laterality (R:L) | 33:31 | 24:18 | 0.806a |
| Axial length (mm) | 24.01±1.16 | 24.26±1.53 | 0.362 |
| CCT (µm) | 554 ±64 | 556±28 | 0.959 |
| Refractive error (SE) | -0.41±0.85 | -0.50±0.85 | 0.602 |
| MD (dB) | NA | -4.78±5.16 | NA |
| Untreated IOP (mm Hg) | NA | 16.5±3.1 | NA |
| Preop. VA (logMAR) | 0.26±0.15 | 0.21±0.03 | 0.854 |
| Postop. VA (logMAR) | 0.03±0.01 | 0.02±0.01 | 0.886 |
NTG: Normal-tension glaucoma; CCT: Central corneal thickness; SE: Spherical equivalent; VA: Visual acuity; Untreated IOP: Intraocular pressure before anti-glaucoma medications. aP values by Chi-square test.
mean±SD