. The refraction of the eye; including a complete treatise on ophthalmometry; . V are seen plainest with the lefteye. R V — 2-^JX. V . — 20 L. V. :ff W.+ .50D. cyl.,180°.|o _ . 10 w. + .50 D. cyL, 135°. Reads Jaeger No. 1 at 3 inches. Ophthalmoscope. — Hypermetropic astigmatism of smallamount, but could not be estimated accurately. Figures 27 and 28 show the form of the cornea and the fociof the chief meridians in the right and left eyes respectively. On account of a mildconjunctivitis, an astrin-gent wash for the eyes wasordered, and the patient re-quested to come again inone week. A mydriati
. The refraction of the eye; including a complete treatise on ophthalmometry; . V are seen plainest with the lefteye. R V — 2-^JX. V . — 20 L. V. :ff W.+ .50D. cyl.,180°.|o _ . 10 w. + .50 D. cyL, 135°. Reads Jaeger No. 1 at 3 inches. Ophthalmoscope. — Hypermetropic astigmatism of smallamount, but could not be estimated accurately. Figures 27 and 28 show the form of the cornea and the fociof the chief meridians in the right and left eyes respectively. On account of a mildconjunctivitis, an astrin-gent wash for the eyes wasordered, and the patient re-quested to come again inone week. A mydriatic wasordered to be used for threedays before coming for thesecond test. The secondtest corresponded with thefirst as to the amount andaxis of the astigmatism, butthe patient accepted + . 75D. spherical glasses in ad-dition to the cylinders. Theophthalmoscope and retinoscope showed compound hyperme-tropic astigmatism. Ordered: — -K .50 D. cyl., 180°, right eye ;+ .50 D. cyl., 135°, left eye. One year later, April, 1897, the glasses were still Fig. 28. — Astigmatism against the rule,with the axes at 45° and 135° (left eye). 60 THE REFRACTIOX OF THE EYE Case XV. Ophthalmoineter shows no corneal astigmatism;Patient accepts a -f .25 D. cylindrical glass agamst the rule, axis180° in each eye.—Mary T., aged forty, came to the clinicMarch 10, 1895, for glasses for reading and sewing. The pa-tient is in good health. Ophthalmometer. —No corneal astigmatism whatever, thelines dividing the mires being straight with each other in allmeridians, and the images neither overlapping nor separatingafter once being approximated. Retinoscopy was unsatisfactory, both as to the axis and theamount of the astigmatism, and even as to the kind. Test cards and trial lenses. — ^ ^ = U -U W- + -25 D. cyl., 180^L. Y. = f§ : 1^ - W. + .25 D. cyl., 180°. Reads Jaeger No. 1 at 10 inches with a +1 D. sphericalglass added. Ophthalmoscope. — Emmetropic in each eye,
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