Table 4. The regression analyses of postoperative improvements of RLVT, NEI-VFQ-25, and clinical measures of visual function.

Dependent Variable	Independent variable	B	SE	BETA	P-value
# Task 1	Constant	23.38	5.23		<0.001
	# Binocular near visual acuity	78.36	15.12	0.58	<0.001
# Task 2	Constant	5.53	1.68		0.002
	# CS (85 cd/m2) 1.5 c.p.d.	21.36	4.83	0.50	<0.001
	# Binocular distant visual acuity	11.64	4.83	0.27	0.019
# Task 3	Constant	12.11	4.32		0.007
	# Binocular near visual acuity	106.77	22.05	0.95	<0.001
	# Better eye near visual acuity	−51.26	20.55	−0.46	0.016
	# Binocular distant visual acuity	30.12	12.13	0.26	0.016
# Task 4	Constant	5.57	2.08		0.010
	# CS (85 cd/m2) 1.5 c.p.d.	16.65	6.43	0.30	0.120
	# Better eye distance visual acuity	20.68	5.71	0.43	0.001
# Task 5	Constant	7.24	5.37		0.183
	# Binocular intermediate visual acuity	56.02	18.79	0.39	0.004
	# Better eye distance visual acuity	37.14	14.60	0.33	0.014
# NEI-VFQ-25	Constant	1.49	2.70		0.584
	# Binocular distance visual acuity	22.01	7.88	0.35	0.007
	# CS (85 cd/m2) 18.0 c.p.d.	2.29	0.65	0.39	0.001

Abbreviations: CS, contrast sensitivity; c.p.d., cycles per degree; logMAR, logarithm of the minimum angle of resolution; NEL-VFQ-25, National Eye Institute Visual Functioning Questionnaire; RLVT, real-life vision test; task 1, reading and Chinese character-picking; task 2, fruits and vegetables picking; task 3, buttons matching; task 4, street sign/billboard recognition; task 5, face recognition.

#, postoperative improvement of each item.