Table 1 Preoperative demographics of the study population.
From: Multicenter clinical outcomes of hole implantable collamer lens implantation in middle-aged patients
Characteristic | Mean ± SD |
|---|---|
Observation period (years) | 2.2 ± 1.0 years (range 1 to 3 years) |
Age (years) | 48.9 ± 4.2 years (range 45 to 65 years) |
Gender (% female) | 47.5% |
Manifest spherical equivalent (D) | − 9.15 ± 3.59 D (range − 2.13 to − 18.75 D) |
Manifest cylinder (D) | 1.11 ± 1.25 D (range 0.00 to 6.00 D) |
Log MAR UDVA | 1.41 ± 0.26 (range 0.52 to 2.00 ) |
Log MAR CDVA | − 0.15 ± 0.10 (range − 0.30 to 0.22 ) |
White-to-white distance (mm) | 11.7 ± 0.4 mm (range 10.9 to 12.8 mm) |
Anterior chamber depth (mm) | 2.99 ± 0.27 mm (range 2.51 to 4.19 mm) |
Mean keratometric readings (D) | 43.9 ± 1.4 D (range 39.6 to 47.1 D) |
Central cornea thickness (μm) | 541 ± 39 μm (range 452 to 651 μm) |
Intraocular pressure (mmHg) | 13.6 ± 2.5 mmHg (range 8 to 21 mmHg) |
Endothelial cell density (cells/mm2) | 2752 ± 263 cells/mm2 (range 2153 to 3401 cells/mm2) |
