The refraction of the eye; including a complete treatise on opthalmometry; a clinical text-book for students and practitioners . nce and pins cylindrical glasses forreading. —October 10, 1896, Kate M,, aged forty-one, in goodgeneral health, for the last year her eyes have given her agreat deal of trouble for close work. The vision blurs, and theeyes and head ache after using the eyes. Ophthalmometer. — Astigmatism with the rule, 1 D., axis60° + or 150° — right eye ; astigmatism against the rule, ID.,135 + or 4o°- left eye. Test cards <md trial h rises. — R. V. = ffl : 20 W _ 50 D. cyLi 15o#
The refraction of the eye; including a complete treatise on opthalmometry; a clinical text-book for students and practitioners . nce and pins cylindrical glasses forreading. —October 10, 1896, Kate M,, aged forty-one, in goodgeneral health, for the last year her eyes have given her agreat deal of trouble for close work. The vision blurs, and theeyes and head ache after using the eyes. Ophthalmometer. — Astigmatism with the rule, 1 D., axis60° + or 150° — right eye ; astigmatism against the rule, ID.,135 + or 4o°- left eye. Test cards <md trial h rises. — R. V. = ffl : 20 W _ 50 D. cyLi 15o#L. V. = ?.;; : H;; W. cyl., 45°. Reads Jaeger No. 1 at 8 inches, with +.50 D. added to thedistance gla Ophthalmoscope. — M. 1 D. at 60° and Kin. at lo0° righteye; M. 1 D. at 135° and Km. at 45° Left eye. 140 THE REFRACTION OF THE EYE On a second test, this patient accepted the same glasses,both the distance and the near, as at the first test. As hereyes gave her no special trouble for the distant vision, I pre-scribed only the reading glasses, +.50 D. cyl., 60° right, and+ .50 D. cyl., 135°
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Keywords: ., bookauthordavisa, bookcentury1900, bookdecade1900, booksubjecteye
