The Refraction and Accommodation of the Eye and Their AnomaliesPentland, 1886 - 600 pages |
From inside the book
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Page vii
... surface represents the cornea , the second medium the aqueous ( or the vitreous ) humor , the system formed by two spherical surfaces finds its analogue in the crystalline lens or in the spectacle glass ; and the two systems combined ...
... surface represents the cornea , the second medium the aqueous ( or the vitreous ) humor , the system formed by two spherical surfaces finds its analogue in the crystalline lens or in the spectacle glass ; and the two systems combined ...
Page ix
... Surface - Index of Refrac- tion - Limit Angle - Total Reflection - Refraction by a Spherical Surface— Principal and Conjugate Foci - Image formed by a single Refracting Sur- face - Focal Planes - Cardinal Points - Several Refracting ...
... Surface - Index of Refrac- tion - Limit Angle - Total Reflection - Refraction by a Spherical Surface— Principal and Conjugate Foci - Image formed by a single Refracting Sur- face - Focal Planes - Cardinal Points - Several Refracting ...
Page 3
... surface of which was hitherto quiet and smooth , a series of circles , concentric about the point where the stone strikes , will be seen to form upon this surface . These circles remain concentric , because the disturbance communicated ...
... surface of which was hitherto quiet and smooth , a series of circles , concentric about the point where the stone strikes , will be seen to form upon this surface . These circles remain concentric , because the disturbance communicated ...
Page 4
... surface . If the ray strike the surface perpendicularly , it continues its course in the same direction ; the rapidity of propagation of the light is , however , increased or diminished according to the nature of the second medium ...
... surface . If the ray strike the surface perpendicularly , it continues its course in the same direction ; the rapidity of propagation of the light is , however , increased or diminished according to the nature of the second medium ...
Page 5
... surface which separates them . From the luminous point A is given off a ray which strikes the surface at B. This is the incident ray . Erect at the point B a perpendicular PP ' . The plane of the paper will be the plane of incidence ...
... surface which separates them . From the luminous point A is given off a ray which strikes the surface at B. This is the incident ray . Erect at the point B a perpendicular PP ' . The plane of the paper will be the plane of incidence ...
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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