. The refraction of the eye; including a complete treatise on ophthalmometry; . 105°. Test cards and trial lenses. — R. Y. = 1^ _ : II W. -f- .50 D. cyl., 105°.L. V. = 1^ - : ff W. + .50 D. cyL, 105°. Reads Jaeger No. 1 atT inches. Ophthalmoscope. — Sim-ple hypermetropic astig-matism in each eye. On a second test thepatient accepted the sameglasses as at first. Or-dered: + .50 D. cyl., 105°,each eye. These glasseshave continued to givecomfort for six months,May 2, 1897, when thepatient was last heardfrom. Case XXV. Astigmatism against the rule ivhere the axes ofthe glasses slant relatively the
. The refraction of the eye; including a complete treatise on ophthalmometry; . 105°. Test cards and trial lenses. — R. Y. = 1^ _ : II W. -f- .50 D. cyl., 105°.L. V. = 1^ - : ff W. + .50 D. cyL, 105°. Reads Jaeger No. 1 atT inches. Ophthalmoscope. — Sim-ple hypermetropic astig-matism in each eye. On a second test thepatient accepted the sameglasses as at first. Or-dered: + .50 D. cyl., 105°,each eye. These glasseshave continued to givecomfort for six months,May 2, 1897, when thepatient was last heardfrom. Case XXV. Astigmatism against the rule ivhere the axes ofthe glasses slant relatively the same number of degrees from thehorizontal meridian^ standing at 15° in one eye and at 165° in theother eye. — In hypermetropic astigmatism against the rule andmyopic astigmatism with the rule, when the axes vary from 90°and 180°, they usually slant the same number of degrees andrelatively in the same direction from the horizontal , there are exceptions just as numerous as the varia-tions noted in the cases of hypermetropic astigmatism with the. Fig. 38. 74 THE REFRACTIOX OF THE EYE rule, above reported, and myopic astigmatism against the rule,to be reported, in regard to the vertical meridian. Mrs. N. E. R., aged thirty-nine, consulted me March 2,1897. She had worn glasses for a year, but her eyes continuedto pain her when she did any near work. Frontal headaches,dizziness, and a drawing sensation in the eyes are the symptomsmost complained of. Ophthalmometer.—Astigmatism against the rule, .50 D.,axis 15° -h or 105° - right eye ; .25 D., axis 165° + or 75° - lefteye.
Size: 1507px × 1659px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidrefraction, booksubjecteye
