Table 4

Corneal thickness changes across shift by corneal opacity

	Change in corneal thickness, left eye (mm)				Change in corneal thickness, right eye (mm)
Corneal opacity grade	n	Mean	Median	Range	n	Mean	Median	Range

0	77	−0.0006	0.001	−0.028 to 0.013	76	−0.0005	0.0005	−0.022 to 0.015
1	16	0.003	0.003	−0.008 to 0.017	13	0.004	0.001	−0.004 to 0.017
2	5	0.007	0.010	−0.005 to 0.018	9	0.004	0.005	−0.006 to 0.022
3	2	0.022	0.022	0.018 to 0.026	2	0.021	0.021	0.011 to 0.031