TABLE 2.

Level of simulated monocular impairment (non‐dominant eye occluded during vision tests) used in this study.

Level	How simulated	Mean visual acuity logMAR (ETDRS)	Mean contrast sensitivity logCS (MARS)
Habitual	No simulation	−0.11 ± 0.07	1.78 ± 0.04
Level 1	Four layers of 258	0.79 ± 0.13	0.62 ± 0.13
Level 2	Five layers of 258	1.09 ± 0.17	0.36 ± 0.14
Level 3	Six layers of 258	1.33 ± 0.15	0.15 ± 0.11
Level 4	Seven layers of 258	1.58 ± 0.20	0.02 ± 0.04
Level 5	One layer of 256	1.73 ± 0.11	0.01 ± 0.03
Level 6	One layer of 253	1.99 ± 0.10	0.01 ± 0.03
Level 7	Monocular viewing (dominant eye occluded)	−0.03 ± 0.14	1.69 ± 0.10