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  1. G. Wald and D. R. Griffin, J. Opt. Soc. Am. 37, 321 (1947).
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1947 (1)

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Figures (3)

Fig. 1
Fig. 1

Axial chromatic aberration of the human eye. (The ordinates are expressed in diopters necessary to correct the eye at each wavelength. The reference wavelength is 578 mμ.) The solid line through the dots is the average of 12 observers. The crosses are the average data obtained by Wald and Griffin.1 The dotted lines indicate the total range of the individual observers.

Fig. 2
Fig. 2

Axial chromatic aberration of the uncorrected (curve a) and corrected (curve b) eye of a single observer.

Fig. 3
Fig. 3

Lens to correct the axial chromatic aberration of the human eye. All dimensions are in millimeters.

Tables (1)

Tables Icon

Table I Standard deviation, σ, of the individual readings for 12 observers and 5 settings on each of 13 wavelengths. In the final column are listed values of a “coefficient of consistency, σ1,” calculated from Eq. (2). The last two rows contain, respectively, the unweighted, A1, and a weighted average axial aberration, A2, in terms of correcting diopters. The weight assigned to each observer is based on his σ1 as described in the text.

Equations (3)

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σ 2 = Σ i ( d - d i ) 2 / ( n - 1 ) ,
σ 1 2 = Σ i ( Δ D i ) 2 / ( N - 1 ) ,
W i = σ 1 , min / σ 1 , i ,