Changes in Corneal Higher-Order Aberrations and Ocular Biometric Measurements after Phacoemulsification Combined with Goniosynechialysis in Primary Angle Closure/Glaucoma Patients

Table 4

Comparison of visual field parameters between the two groups.

Parameters	AL ≤ 22.5 mm		22.5 < AL ≤ 24.5 mm
	Before operation	After operation	Before operation	After operation
VFI	86.57 ± 17.00	90.29 ± 14.54^†	85.06 ± 19.53	89.13 ± 13.51^†
MD	−6.95 ± 6.23	−4.78 ± 5.48^†	−6.94 ± 5.95	−5.33 ± 4.53^†
PSD	4.00 ± 3.52	3.73 ± 3.82	4.34 ± 3.40	4.06 ± 3.59

: , significant differences between the two groups before surgery. ^†: , compared with the preoperative baseline in each group. AL: axial length; VFI: visual field index; MD: mean deviation; PSD: pattern standard deviation.