On a peculiar defect in the eye... With: On the figure of the earth. 2 offprints. George Biddell Airy.

On a peculiar defect in the eye... With: On the figure of the earth. 2 offprints.

Publisher Information: London: Nichol, 1825-1826. Airy, George Biddell (1801-92). On a peculiar defect in the eye, and a mode of correcting it. Offprint from Trans. Cambridge Phil. Soc. [2], 5, [1]pp. London: J. Smith, 1825. Bound with: On the figure of the earth. Offprint from Philosophical Transactions [2], 31, [1]pp. London: W. Nicol, 1826. Together 2 items, 4to. Modern gray boards. Faint scattered foxing, otherwise fine. Bookplate of Jerry Donin. Book Id: 38336

First Separate Editions of both papers. Airy, Britain's Astronomer Royal from 1835 to 1881, was the first to devise a sphereocylindrical lens for correcting astigmatism, a condition from which he himself suffered in his left eye. Airy's method is still used today. "Astigmatism was not known until [Thomas] Young discovered it in his own eyes in 1801 and correction for it was not available until 1827 [sic] when Airy designed the first lens for correction of astigmatism" (Gorin, Hist. Ophthalmology, p. 41). DSB. Hirschberg 11-1a, pp. 198-201.

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Price: $1,250.00

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