The Refraction and Accommodation of the Eye and Their AnomaliesPentland, 1886 - 600 pages |
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Page 110
... examination . 2 I have given , in the chapter on Ophthalmometry ( Graefe and Saemisch , Handbuch der Augenheilkunde , III . , p . 204 , and in de Wecker and Landolt , Traité complet d'ophthalmologie , I. , p . 107 ) , the description of ...
... examination . 2 I have given , in the chapter on Ophthalmometry ( Graefe and Saemisch , Handbuch der Augenheilkunde , III . , p . 204 , and in de Wecker and Landolt , Traité complet d'ophthalmologie , I. , p . 107 ) , the description of ...
Page 161
... examination , needles were again employed . These , being implanted in it , indicated that , by a contraction of the ciliary muscle , it is caused to advance . The retina accompanies the choroid in its movements , as one may convince ...
... examination , needles were again employed . These , being implanted in it , indicated that , by a contraction of the ciliary muscle , it is caused to advance . The retina accompanies the choroid in its movements , as one may convince ...
Page 162
... examination fix , first , a distant object : then he caused an effort of accommodation by bringing the object nearer to the eye . Our schematic figure ( 75 ) represents the phenomena which Coccius was able to observe when the eye passed ...
... examination fix , first , a distant object : then he caused an effort of accommodation by bringing the object nearer to the eye . Our schematic figure ( 75 ) represents the phenomena which Coccius was able to observe when the eye passed ...
Page 176
... examination with transmitted light , however , shows the lens to be perfectly transparent . The reflex is due solely to an increase in the index of refraction of the cortical laminæ of the lens . In consequence of this , the difference ...
... examination with transmitted light , however , shows the lens to be perfectly transparent . The reflex is due solely to an increase in the index of refraction of the cortical laminæ of the lens . In consequence of this , the difference ...
Page 203
... examination can still exert an effort of accommodation equal to 3:35 dioptries . Hence the emmetrope , from whom Donders obtained this diagram , could see at a distance with concave glasses of 3:35 dioptries , without detriment to the ...
... examination can still exert an effort of accommodation equal to 3:35 dioptries . Hence the emmetrope , from whom Donders obtained this diagram , could see at a distance with concave glasses of 3:35 dioptries , without detriment to the ...
Other editions - View all
The Refraction and Accommodation of the Eye and Their Anomalies Edmond Landolt No preview available - 2023 |
The Refraction and Accommodation of the Eye and Their Anomalies Edmond Landolt No preview available - 2018 |
Common terms and phrases
acuteness of vision adapted ametropia amplitude of accommodation angle anisometropia asthenopia astigmatism atropine axis becomes binocular vision centimetres centre choroid ciliary muscle concave glass convex glass convex lens cornea correcting-glass correction corresponding crystalline lens determine diminished dioptric apparatus dioptric system dioptries diplopia direction distant vision divergent Donders dynamic refraction effort of accommodation emmetropia emmetropic eye equal focal distance formula fundus Hence horizontal hyperopia hyperopic hyperopic eye increase index of refraction infinity inverted Landolt latter lenses less lines of fixation luminous point luminous rays maximum medium metre metre-angles millimetres mydriatic myopes myopia myopic eye nearer nodal point object observed obtain Ophth ophthalmoscope optical optometer patient placed posterior principal focus principal meridians principal point prism produced punctum proximum punctum remotum pupil range of accommodation refractive power refractive surface retina retinal images second principal situated spasm spherical static refraction strabismus tion vertical visual acuteness
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