Anterior segment structure changes caused by different luminance light after implantable collamer lens surgery

BMC Ophthalmology

Table 2 Postoperative pupile size, vault, anterior segment structure Changes under different lighting conditions

	Mesopic	Photopic	Change mean ± SD range	t	P ^*
PD(mm)	5.62 ± 0.55	2.66 ± 0.23	3.01 ± 0.57 2.00 to 4.50	38.129	< 0.001
Vault(um)	643.5 ± 191.2	486.7 ± 186.1	158.7 ± 57.66 30 to 300	18.515	< 0.001
ACD(mm)	3.32 ± 0.24	3.31 ± 0.22	0.01 ± 0.03 -0.08 to 0.07	1.797	0.079
ACD-ICL (mm)	2.37 ± 0.23	2.54 ± 0.24	-0.16 ± 0.07 -0.36 to -0.06	-19.138	< 0.001
ACA (°)	15.9 ± 3.8	20.5 ± 3.41	-4.6 ± 2.5 1.5 to 11.0	-10.319	< 0.001
SSA(°)	32.7 ± 7.3	42.2 ± 5.7	-9.5 ± 6.4 -0.5 to -27.4	-8.481	< 0.001
AOD500 (mm)	0.331 ± 0.091	0.463 ± 0.085	-0.132±-0.088 -0.01 to -0.39	-8.676	< 0.001
AOD750 (mm)	0.444 ± 0.117	0.582 ± 0.105	-0.138±-0.102 -0.07 to -0.38	-7.79	< 0.001
TISA500 (mm² )	0.119 ± 0.036	0.166 ± 0.031	-0.047 ± 0.033 -0.15 to 0.01	-8.095	< 0.001
TISA750 (mm² )	0.215 ± 0.058	0.295 ± 0.052	-0.080 ± 0.055 -0.25 to 0	-8.438	< 0.001

^*Paired sample test
PD: pupil diameter, ACD: anterior chamber depth, ACD-ICL: anterior chamber depth to the anterior surface of the ICL, ACA: anterior chamber angle, SSA: scleral spur angle, AOD500: angle opening distance at 500 μm, AOD750: angle opening distance at 750 μm, TISA500: trabecular-iris space area at 500 μm, TISA750: trabecular-iris space area at 750 μm

ISSN: 1471-2415