Functional nervous diseasesAppleton, 1887 - 217 էջ |
From inside the book
Արդյունքներ 29–ի 1-ից 5-ը:
Էջ 25
... by comparing certain well - under- stood anomalies with the ideal , or , as it is called , the emmetropic eye . In the emmetropic eye parallel rays are so refract- ed that , without an effort on the part of FUNCTION OF ACCOMMODATION . 25.
... by comparing certain well - under- stood anomalies with the ideal , or , as it is called , the emmetropic eye . In the emmetropic eye parallel rays are so refract- ed that , without an effort on the part of FUNCTION OF ACCOMMODATION . 25.
Էջ 26
... effort must be excessive . Hence , such an eye is never at rest when seeing at all , and is performing excessive labor when looking at near points . In a certain pro- portion of hypermetropic eyes the ciliary muscle , even The " short ...
... effort must be excessive . Hence , such an eye is never at rest when seeing at all , and is performing excessive labor when looking at near points . In a certain pro- portion of hypermetropic eyes the ciliary muscle , even The " short ...
Էջ 28
... effort of accommodation . If the degree of hypermetropia is moderate , and the ciliary muscle is vigorous , objects at a distance ( in the ex- amination of visual conditions a distance of about six metres or more is called infinite ...
... effort of accommodation . If the degree of hypermetropia is moderate , and the ciliary muscle is vigorous , objects at a distance ( in the ex- amination of visual conditions a distance of about six metres or more is called infinite ...
Էջ 29
... an absence of perfect definition , or the presence of double images . Hence the effort of the ciliary muscle in accommodating , and of the recti muscles in convergence , must be not only simulta- neous BINOCULAR VISION . 29.
... an absence of perfect definition , or the presence of double images . Hence the effort of the ciliary muscle in accommodating , and of the recti muscles in convergence , must be not only simulta- neous BINOCULAR VISION . 29.
Էջ 30
... effort in the normal eye for a point situated at half that distance ; then if the effort at convergence equals the effort at accommodation , and the eye is focused for a point one metre distant , the axes of the two eyes will meet at a ...
... effort in the normal eye for a point situated at half that distance ; then if the effort at convergence equals the effort at accommodation , and the eye is focused for a point one metre distant , the axes of the two eyes will meet at a ...
Common terms and phrases
accommodation aches adducting power affections anomalies apoplexy asthenopia atropine attacks Bright's disease brother died cause chorea chronic ciliary muscle Cloth complaint continued convex correction crystalline lens Cured cylindrical glass degree died of Bright's died of consumption died of fever diplopia distance emmetropic epilepsy epileptic esophoria examined external recti muscles families Father died frequently head headaches heart-disease hereditary hypermetropia hyperopia hyperopic hyperphoria improved insane instances insufficiency internal irritation known less manifest Medical mental metre metropia migraine months mother died muscular myopia myopic astigmatism nerve nervous diseases nervous energy Neural neuralgia neurasthenia neuroses occurred ocular conditions ocular defects ocular muscles oculists pain parallel rays patient permanent physician presbyopia prism ralgia recti muscles rectus refractive error relief Result of treatment retina sclera seen shown sister died slight spherical strabismus suffered symptoms tendency tendon tenotomy thenia tion twenty feet vision visual lines weeks
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