Rotational stability and visual performance 3 months after bilateral implantation of a new toric extended range of vision intraocular lens

Figures & data

Figure 1 Tecnis Symfony^® toric ZXT IOL.

Table 1 Patient demographics and implanted IOLs

Parameters	Value
Eyes (n)	60
Patients (n)
Total	30
Cataract surgery	20
Refractive lens exchange	10
Age (y)
Mean (SD)	61 (9.3)
Range	44–78
Male gender, n (%)	12 (40%)
K1 (mm)
Mean (SD)	7.93 (0.31)
Range	7.24–8.66
K2 (mm)
Mean (SD)	7.60 (0.29)
Range	6.96–8.34
Corneal astigmatism (D)
Mean (SD)	1.80 (0.56)
Range	0.88–3.29
Axial length (mm)
Mean (SD)	24.34 (1.55)
Range	20.68–27.65
IOL SE power (D)
Mean (SD)	19.38 (4.44)
Range	8.50–30.50
IOL model (n)
ZXT100	5
ZXT150	16
ZXT225	24
ZXT300	8
ZXT375	7

Abbreviations: K1, corneal radii of curvature in the flattest meridian for the 3 mm central zone; K2, corneal radii of curvature in the steepest meridian for the 3 mm central zone; D, diopters; IOL, intraocular lens; SE, spherical equivalent.

Table 2 Preoperative and postoperative visual and refractive dataa

Variable	Preoperative	3 months postoperative	P-value
UDVA monocular (logMAR)	–	0.01 (0.12)	–
		0.00 (−0.20 to 0.40)
UDVA binocular (logMAR)	–	−0.05 (0.11)	–
		−0.10 (−0.20 to 0.30)
Sphere (D)	−0.91 (3.20)	0.06 (0.44)	0.044
	−0.88 (−10.00 to 5.25)	0.00 (−1.75 to 1.00)
Cylinder (D)	−1.72 (1.01)	−0.33 (0.37)	<0.001
	−1.50 (−4.00 to 0.00)	−0.25 (−1.75 to 0.00)
Spherical equivalent (D)	−1.77 (3.26)	−0.11 (0.51)	0.001
	−2.00 (−10.75 to 4.75)	0.00 (−2.38 to 0.75)
CDVA monocular (logMAR)	0.10 (0.14)	−0.04 (0.07)	<0.001
	0.10 (−0.10 to 0.40)	0.00 (−0.20 to 0.20)
CDVA binocular (logMAR)	0.04 (0.13)	−0.08 (0.07)	<0.001
	0.00 (−0.20 to 0.30)	−0.10 (−0.20 to 0.10)
UIVA binocular (logMAR)	–	−0.03 (0.08)	–
		0.00 (−0.10 to 0.20)
UNVA binocular (logMAR)	–	0.09 (0.10)	–
		0.10 (−0.10 to 0.40)

Note:

a Values reported as mean (SD), median (range).

Abbreviations: D, diopters; UDVA, uncorrected distance visual acuity; CDVA, corrected distance visual acuity; UIVA, uncorrected intermediate visual acuity; UNVA, uncorrected near visual acuity.

Figure 2 Distribution of pre- and postoperative monocular visual outcomes.

Abbreviations: CDVA, corrected distance visual acuity; UDVA, uncorrected distance visual acuity.

Figure 3 Distribution of 3-month postoperative binocular visual outcomes.

Abbreviations: UDVA, uncorrected distance visual acuity; UIVA, uncorrected intermediate visual acuity; UNVA, uncorrected near visual acuity.

Figure 4 Distribution of 3-month postoperative spherical equivalent.

Abbreviation: D, diopters.

Figure 5 Pre- and postoperative refractive astigmatism.

Abbreviation: D, diopters.

Table 3 Postoperative NEI VFQ-25 scores

NEI VFQ-25 subscale	Mean (SD)	Median (range)
General health	77.5 (13.5)	75 (50–100)
General vision	85.3 (13.6)	80 (60–100)
Ocular pain	97.5 (6.0)	100 (75–100)
Near activities	91.7 (10.8)	96 (58–100)
Distance activities	97.8 (4.3)	100 (83–100)
Social functioning (vision specific)	100 (0.0)	100 (100)
Mental health (vision specific)	95.6 (5.4)	100 (81–100)
Role difficulties (vision specific)	96.7 (6.4)	100 (75–100)
Dependency (vision specific)	100 (0.0)	100 (100)
Driving	87.5 (14.1)	88 (50–100)
Color vision	100 (0.0)	100 (100)
Peripheral vision	100 (0.0)	100 (100)
NEI VFQ-25 (overall)	94.1 (5.4)	100 (50–100)

Abbreviation: NEI VFQ-25, 25-item version of the National Eye Institute Visual Function Questionnaire.

Figure 6 Frequency of spectacle use 3 months after surgery.