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. Author manuscript; available in PMC: 2009 Jan 7.
Published in final edited form as: J Opt Soc Am A Opt Image Sci Vis. 2008 Sep;25(9):2263–2270. doi: 10.1364/josaa.25.002263

Fig. 1.

Fig. 1

Schematic illustration of longitudinal chromatic aberration (LCA) and the effects of myopic and hyperopic defocus. Polychromatic light (p) reaches the eye and is dispersed into its component wavelengths. The power of the eye is greater for short (b) than the middle (g) and long (r) wavelengths. A. The middle (g) wavelengths are focused at the retina. B. An overpowered, myopic eye with the long (r) wavelengths in best focus. C. an underpowered, hyperopic eye with short (b) wavelengths in best focus.