The Refraction and Accommodation of the Eye and Their AnomaliesPentland, 1886 - 600 pages |
From inside the book
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Page 3
... equal rapidity in every direction . A luminous point produces analogous phenomena in space . It causes , everywhere around it , an undulatory movement of the ether . These undulations , however , are not limited solely to the horizontal ...
... equal rapidity in every direction . A luminous point produces analogous phenomena in space . It causes , everywhere around it , an undulatory movement of the ether . These undulations , however , are not limited solely to the horizontal ...
Page 4
... equal to the angle of incidence , whenever the luminous ray strikes the surface at a certain angle . Only a part of the light , then , penetrates the second medium . In relation to the portion refracted , the reflected part is greater ...
... equal to the angle of incidence , whenever the luminous ray strikes the surface at a certain angle . Only a part of the light , then , penetrates the second medium . In relation to the portion refracted , the reflected part is greater ...
Page 6
... equal to the angle pb'b ; that is , to the angle of incidence , since their sides are perpendicular to each other . For the same reason , the angle r is equal to the angle b " b'p ' ; that is , to the angle of refraction . = The length ...
... equal to the angle pb'b ; that is , to the angle of incidence , since their sides are perpendicular to each other . For the same reason , the angle r is equal to the angle b " b'p ' ; that is , to the angle of refraction . = The length ...
Page 7
... of the angle of incidence and the index of refraction of the first medium is equal to the product of the sine of the angle of refraction and the index of the second medium . v ' When the first medium , M ' , INDEX OF REFRACTION . 5.
... of the angle of incidence and the index of refraction of the first medium is equal to the product of the sine of the angle of refraction and the index of the second medium . v ' When the first medium , M ' , INDEX OF REFRACTION . 5.
Page 9
... equal the angle of incidence , what is the angle of re- 1 The indices of refraction of the crystalline are those found by Woinow in a person sixteen years of age . The others are taken from Wundt's Physique médicale , translated by ...
... equal the angle of incidence , what is the angle of re- 1 The indices of refraction of the crystalline are those found by Woinow in a person sixteen years of age . The others are taken from Wundt's Physique médicale , translated by ...
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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