Table 1 Ocular biometry using IOL master and AS‐OCT before and after laser iridotomy.

Parameter	Pre‐LI	Post‐LI	Difference (95% CI)	p
a. Measured in the light
Mean lens position (mm)	0.97	0.92	−0.05 (−0.12 to 0.02)	0.14
Mean ACD (mm)	2.08	2.09	0.01 (−0.03 to 0.05)	0.59
Mean corneal thickness (mm)	0.59	0.57	−0.01 (−0.03 to 0.003)	0.10
Mean AOD500 (μm)	124.4	262.5	138.1 (112.2 to 164.0)	0.0001
Mean TISA750 (mm2)	0.075	0.155	0.080 (0.061 to 0.10)	0.0001
b. Measured in the dark
Mean lens position (mm)	0.96	0.94	−0.01 (−0.06 to 0.04)	0.59
Mean ACD (mm)	2.08	2.10	0.01 (−0.01 to 0.04)	0.21
Mean corneal thickness (mm)	0.59	0.58	−0.01 (−0.03 to 0.01)	0.31
Mean AOD500 (μm)	43.0	126.9	83.92 (60.3 to 107.6)	0.0001
Mean TISA750 (mm2)	0.024	0.076	0.05 (0.03 to 0.07)	0.0001

ACD, anterior chamber depth; AOD₅₀₀, angle opening distance at 500 μm anterior to the scleral spur; TISA₇₅₀, trabecular‐iris space area up to 750 μm from the scleral spur.