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Simulated vision for a normal wavefront profile and a normal profile with added spherical aberration (−0.274 µm for 5.0 mm pupil). 20/20 Snellen E letter (0 logMAR) was convolved with point-spread function with 0.00, −1.00 D, and −2.50 D of defocus (Dist. = distance; Inter. = intermediate).
