Visual Function After Implantation of Trifocal and Trifocal Toric Intraocular Lenses Using Intraoperative Aberrometry

Figures & data

Table 1 Preoperative Patient Demographics

Parameter	Outcomes*
Number of eyes (patients)	44 (22)
Sex
Female (n)	16 (73)
Male (n)	6 (27)
Age	65.5 ± 9.6 (39 to 83)
Axial Length (mm)	24.84 ± 1.80 (22.16 to 28.83)
Sphere (D)	−3.04 ± 5.21 (−13.25 to +5.25)
Cylinder (D)	−1.08 ± 0.74 (−2.75 to 0.00)
MRSE (D)	−3.58 ± 5.23 (−13.88 to +5.25)
Lens Model (n)
TFAT00	32 (73)
TFAT30	9 (20)
TFAT40	3 (7)

Note: *Presented as Mean ± SD (Range) or n (%).

Abbreviations: D, diopters; MRSE, manifest refraction spherical equivalent; SD, standard deviation.

Table 2 Postoperative Refractive Outcomes (n = 42 Eyes)

Parameter	Mean ± SD (Range)	% Eyes ≤ 0.5 D
MRSE (D)	0.10 ± 0.32 (−0.62 to 1.12)	85.7
Residual Astigmatism (D)	0.32 ± 0.36 (0.00 to 1.25)	81.0
Absolute Prediction Error for IA (D)	0.28 ± 0.27 (0.00 to 1.23)	78.6

Abbreviations: D, diopters; IA, intraoperative aberrometry; MRSE, manifest refraction spherical equivalent; SD, standard deviation.

Table 3 Postoperative Visual Outcomes

Monocular
Visual Acuity	Month	n	Mean ± SD (Range) logMAR
UDVA	1	44	0.06 ± 0.11 Range (−0.10 to 0.40)
	3	42	0.04 ± 0.08 Range (−0.16 to 0.22)
UIVA	1	44	0.04 ± 0.06 Range (0.00 to 0.18)
	3	42	0.03 ± 0.05 Range (0.00 to 0.18)
UNVA	1	44	0.02 ± 0.05 Range (0.00 to 0.26)
	3	42	0.01 ± 0.02 Range (0.00 to 0.14)
Binocular
Visual Acuity	Month	n	Mean ± SD (Range) logMAR
UDVA	1	14	0.02 ± 0.05 Range (−0.10 to 0.10)
	3	21	0.01 ± 0.06 Range (−0.12 to 0.10)
UIVA	1	14	0.01 ± 0.03 Range (0.00 to 0.10)
	3	21	0.01 ± 0.02 Range (0.00 to 0.00)
UNVA	1	14	0.00 ± 0.00 Range (0.00 to 0.00)
	3	21	0.04 ± 0.12 Range (0.00 to 0.40)

Figure 1 Monocular uncorrected visual acuities at (A) Distance, (B) Intermediate, and (C) Near and binocular uncorrected visual acuities at (D) Distance, (E) Intermediate, and (F) Near.

Table 4 Postoperative Task “No Difficulty” or “A Little Difficulty” (Percentage of Subjects)

	Month 1 (n=20)	Month 3 (n=21)
Distance Visual Task
Seeing steps, stairs, or curbs	94.4	85.7
Reading traffic, street, or store signs	90.0	90.5
Taking part in sports like bowling, handball, tennis, golf	100.0	85.7
Watching television	100.0	90.5
Driving during the day	92.3	85.7
Driving at night	66.7	66.7
Recognizing people from a distance	95.0	85.7
Difficulty in going out to see movies, theater, plays, sports events	87.5	83.3
Intermediate Visual Task
Reading a large-print book or numbers on a telephone	100.0	95.2
Recognizing people when they are close to you	100.0	100.0
Playing games such as bingo, dominos, card games, mahjong	100.0	87.5
Cooking	100.0	100.0
Using a personal computer	90.0	90.5
Shaving, styling hair, or putting on makeup	95.0	85.7
Near Visual Task
Reading small print	55.0	71.4
Reading newspaper/book	73.7	75.0
Doing fine handwork like sewing	75.0	84.6
Writing checks or filling out forms	100.0	90.5

Table 5 Postoperative Monocular (n = 42 Eyes) and Binocular (n = 19 Subjects) Contrast Sensitivity

Parameter	Month 1 Mean ± SD (Range)	Month 3 Mean ± SD (Range)
Monocular Contrast Sensitivity (%)	3.52 ± 1.56 (1.00 to 10.00)	3.54 ± 1.26 (1.25 to 6.00)
Binocular Contrast Sensitivity (%)	2.46 ± 0.93 (1.00 to 4.00)	2.35 ± 1.04 (1.00 to 5.00)

Data Sharing Statement

Data are not available for sharing.