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Table 1

The standard values of the input parameters used for all the simulations in the IRIS software. Only one input parameter was manipulated at a time, depending on the simulation cases.

Input parameters Standard value
Pupil size 6 mm
Defocus Z[2, 0] 2 μm (−1.54D)
Spherical aberrations Z[4, 0] 0.15 μm
Wavefront signal 2nd–4th order Zernike coefficients
Noise signal 7th and 8th Zernike coefficients giving an RMS of 0.25 μm at 6 mm diameter
Spatial frequency for filtered noise 0.48 cycles per mm (at corneal plane)
Reference wavelength 550 nm
Stiles–Crawford Sigma 0.115
Spectral power distributions of image ~34 nm period (9 channels)

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