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From the following article:

Imperfect optics may be the eye's defence against chromatic blur

James S. McLellan, Susana Marcos, Pedro M. Prieto and Stephen A. Burns

Nature 417, 174-176(9 May 2002)

doi:10.1038/417174a

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Figure 1 - Unfortunately we are unable to provide accessible alternative text for this. If you require assistance to access this image, or to obtain a text description, please contact npg@nature.com

Figure 1

MTFs at 550 nm (solid curves) and 450 nm (dotted curves) for two eyes: (1) a theoretical model eye subject to LCA but with no wave aberrations (thin lines) and (2) a real human subject's eye (thick lines).

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Figure 2

MTF area.

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Figure 3

Polychromatic MTFs computed with a 6-mm pupil for L cones (dashed line), M cones (solid line) and S cones (dotted line) for theoretical model eye with LCA only (a) and three subjects (b, observer 1; c, observer 2; d, observer 3) with measured LCA, TCA and wave aberrations.

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Figure 4

Polychromatic MTFs for the theoretical model eye (thin lines) and for one subject (thick lines) with (solid lines) and without (dotted lines) the effect of macular pigment absorption at short wavelengths.

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