. The refraction of the eye; including a complete treatise on ophthalmometry; . and plus 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, 1 D.,135°+or 45°- left eye. Test cards and trial lenses. — R. V. = §^ : li W. - .50 D. cyl., 15°.L. V. = 1^ : li W. - .50 D. cyl., 45°. Reads Jaeger No.
. The refraction of the eye; including a complete treatise on ophthalmometry; . and plus 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, 1 D.,135°+or 45°- left eye. Test cards and trial lenses. — R. V. = §^ : li W. - .50 D. cyl., 15°.L. V. = 1^ : li W. - .50 D. cyl., 45°. Reads Jaeger No. 1 at 8 inches, with +.50 D. added to thedistance glasses. Ophthalmoscope.—M. 1 D. at 60° and Em. at 150° righteye; M. 1 D. at 135° and Em. 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, cyl., 135°left. 150,. 135
Size: 1323px × 1888px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidrefraction, booksubjecteye
