Functional Outcomes and Reading Speeds following PRESBYOND LBV Using Nonlinear Aspheric Ablation Profiles Combined with Micro-Monovision

Table 1

Patient demographics and preoperative data.

Patient demographics
Total no. of eyes	60
Total no. of patients	30
Male: female	14 : 16
Age (years)	50.47 ± 6.43
Binocular UDVA (log MAR)	0.48 ± 0.39
Binocular CDVA (log MAR)	−0.01 ± 0.06
Binocular DCNVA (log MAR)	0.23 ± 0.06
K mean (D)	43.89 ± 1.38
CCT (μ)	529.93 ± 34.10
Optical zone (mm)	6.45 ± 0.19
Flap thickness (μ)	118.33 ± 8.89
Ablation depth (μ)	49.3 ± 26.57
Post-op RST (μ)	356.30 ± 43.97
Z (4, 0)	−0.23 ± 0.28
Visual acuity and refraction
Parameter (mean ± SD)	Dominant eyes (n = 30)	Nondominant eyes (n = 30)
Sphere (D)	−0.075 ± 1.72	−0.25 ± 2.40
Cylinder (D)	−0.24 ± 0.80	−0.41 ± 0.91
SE (D)	−0.19 ± 1.93	−0.47 ± 2.70
UDVA (log MAR)	0.48 ± 0.39	0.62 ± 0.41
CDVA (log MAR)	−0.01 ± 0.06	−0.01 ± 0.08
DCNVA (log MAR)	0.23 ± 0.06	0.22 ± 0.05

D: dioptre, SE = spherical equivalent, UDVA = uncorrected distance visual acuity, CDVA = corrected distance visual acuity, DCNVA = distance corrected near visual acuity, K = keratometry, CCT = central corneal thickness, and RST = residual stromal thickness.