Comparison of Visian toric collamer lens and toric acrylic intraocular lens implantation for the treatment of myopia with astigmatism

Figures & data

Figure 1 Preoperative and postoperative SE.

Note: Group A (TICL), Group B (TIOL).
Abbreviations: SE, spherical equivalent; TICL, toric implantable collamer lens; TIOL, refractive clear lens extraction with AcrySof Toric intraocular lens.

Figure 2 Preoperative and postoperative cylinder.

Note: Group A (TICL), Group B (TIOL).
Abbreviations: TICL, toric implantable collamer lens; TIOL, refractive clear lens extraction with AcrySof Toric intraocular lens.

Figure 3 Preoperative and postoperative UDVA.

Note: Group A (TICL), Group B (TIOL).
Abbreviations: UDVA, uncorrected distance visual acuity; TICL, toric implantable collamer lens; TIOL, refractive clear lens extraction with AcrySof Toric intraocular lens.

Figure 4 Preoperative and postoperative CDVA.

Note: Group A (TICL), Group B (TIOL).
Abbreviations: CDVA, corrected distance visual acuity; TICL, toric implantable collamer lens; TIOL, refractive clear lens extraction with AcrySof Toric intraocular lens.

Table 1 Preoperative and postoperative data for both groups

Parameter	Group A, n =34		Group B, n =29		P-value
	Mean	SD	Mean	SD
Age	32.6	4.9	37.4	3.1	0.0001
SE
Preoperative	−10.7	2.1	−11.5	1.9	0.10
Postoperative	−0.19	0.31	−0.21	0.28	0.69
P-value	0.0001		0.0001
Cylinder
Preoperative	−2.45	0.73	−2.38	0.85	0.63
Postoperative	−0.46	0.53	−0.32	0.41	0.35
P-value	0.0001		0.0001
UDVA
Preoperative	0.049	0.021	0.041	0.028	0.25
Postoperative	0.49	0.17	0.45	0.18	0.27
P-value	0.0001		0.0001
CDVA
Preoperative	0.61	0.19	0.64	0.17	0.45
Postoperative	0.76	0.15	0.69	0.19	0.16
P-value	0.0005		0.27
ECC
Preoperative	2,983	169.83	3,146	211.54	0.002
Postoperative	2,854	147.19	2,979	185.16	0.003
P-value	0.001		0.001
IOP
Preoperative	13.71	2.8	14.13	1.9	0.45
Postoperative	14.42	2.5	12.52	2.1	0.004
P-value	0.22		0.004

Note: Group A (TICL), Group B (TIOL).

Abbreviations: SD, standard deviation; SE, spherical equivalent; UDVA, uncorrected distance visual acuity; CDVA, corrected distance visual acuity; ECC, endothelial cell count; IOP, intraocular pressure; TICL, toric implantable collamer lens; TIOL, refractive clear lens extraction with AcrySof Toric intraocular lens.

Table 2 Comparison between the efficacy index for group A and group B

Parameter	Group A, n=34		Group B, n=29
	Mean	SD	Mean	SD
Efficacy index	0.78	0.15	0.73	0.1
P-value	0.21			6

Note: Group A (TICL), Group B (TIOL).

Abbreviations: SD, standard deviation; TICL, toric implantable collamer lens; TIOL, refractive clear lens extraction with AcrySof Toric intraocular lens.

Figure 5 Correlation between pre- and postoperative J₀.

Note: Group A (TICL), Group B (TIOL).
Abbreviations: TICL, toric implantable collamer lens; TIOL, refractive clear lens extraction with AcrySof Toric intraocular lens.

Figure 6 Correlation between pre- and postoperative J₄₅.

Note: Group A (TICL), Group B (TIOL).
Abbreviations: TICL, toric implantable collamer lens; TIOL, refractive clear lens extraction with AcrySof Toric intraocular lens.

Table 3 Power vector analysis of pre- and postoperative astigmatism in both groups

Components	Group A, n=34		Group B, n=29		P-value
	Mean	SD	Mean	SD
M
Preoperative	−10.71	2.1	−11.5	1.9	0.11
Postoperative	−0.19	0.31	−0.21	0.28	0.75
P-value	0.0001		0.0001
J0
Preoperative	0.91	0.47	1.02	0.42	0.29
Postoperative	0.11	0.17	0.07	0.14	0.28
P-value	0.0001		0.0001
J45
Preoperative	−0.06	0.15	−0.04	0.16	0.62
Postoperative	0.02	0.14	0.03	0.09	0.75
P-value	0.02		0.03
B
Preoperative	−10.77	2.04	−11.58	2.01	0.15
Postoperative	0.25	0.32	0.24	0.27	0.13
P-value	0.0001		0.0001

Note: Group A (TICL), Group B (TIOL).

Abbreviations: SD, standard deviation; TICL, toric implantable collamer lens; TIOL, refractive clear lens extraction with AcrySof Toric intraocular lens.

Table 4 Correlation between pre- and postoperative J₀ and J₄₅

Parameter	Group A		Group B
	Correlation coefficient	P-value	Correlation coefficient	P-value
Pre- and postoperative J0	0.58	0.0003	0.88	<0.0001
Pre- and postoperative J45	0.43	0.01	0.41	0.03

Notes: Spearman correlation analysis was used. Group A (TICL), Group B (TIOL).

Figure 7 Comparison between the rotational stability for group A and group B.

Note: Group A (TICL), Group B (TIOL).
Abbreviations: TICL, toric implantable collamer lens; TIOL, refractive clear lens extraction with AcrySof Toric intraocular lens.