Abstract

We modified a commercial Hartmann–Shack aberrometer and used it to measure ocular aberrations twice at each of 38 points across the central 42°horizontal×32°vertical visual fields of five young emmetropic subjects. Some Zernike aberration coefficients show coefficient field distributions that were similar to the field dependence predicted by Seidel theory (astigmatism, oblique astigmatism, horizontal coma, vertical coma), but defocus did not demonstrate such similarity.

© 2008 Optical Society of America

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