Comparison of white-to-white measurements using four devices and their determination of ICL sizing

Table 3 Subvault analysis and paired devices

Vault size (mm) (N = 107)		Ordered ICL	Orbscan WTW and ACD		Orbscan ACD and Caliper WTW		IOLMaster WTW and ACD		IOLMaster ACD and Caliper WTW		Pentacam WTW and ACD		Pentacam ACD and Caliper WTW
Vault size (mm) (N = 107)		Mean ± SD	Mean ± SD	P value*	Mean ± SD	P value*	Mean ± SD	P value*	Mean ± SD	P value*	Mean ± SD	P value*	Mean ± SD	P value*
< 0.25	4	12.35 ± 0.29	12.75 ± 0.30	0.10	12.35 ± 0.29	1.00	12.90 ± 0.35	0.00	12.35 ± 0.29	1.00	12.75 ± 0.30	0.06	12.35 ± 0.29	1.00
0.26 to 0.50	29	12.56 ± 0.30	12.66 ± 0.36	0.26	12.60 ± 0.34	0.63	13.15 ± 0.26	0.00	12.60 ± 0.34	0.63	12.84 ± 0.38	0.00	12.60 ± 0.34	0.63
0.51 to 0.75	44	12.69 ± 0.40	12.75 ± 0.40	0.11	12.64 ± 0.42	0.15	13.17 ± 0.36	0.00	12.62 ± 0.44	0.05	12.90 ± 0.44	0.00	12.64 ± 0.44	0.16
0.76 to 1.00	23	12.89 ± 0.34	12.93 ± 0.41	0.16	12.77 ± 0.42	0.02	13.37 ± 0.24	0.00	12.77 ± 0.42	0.02	13.10 ± 0.39	0.00	12.75 ± 0.42	0.02
> 1.00	7	13.03 ± 0.29	13.03 ± 0.29	1.00	13.03 ± 0.29	1.00	13.49 ± 0.27	0.00	13.03 ± 0.29	1.00	13.10 ± 0.39	0.36	13.03 ± 0.29	1.00

ACD = anterior chamber depth; ICL = implantable collamer lens; WTW = white-to-white. *t-test

ISSN: 2326-0254