The Refraction and Accommodation of the Eye and Their AnomaliesPentland, 1886 - 600 pages |
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Page v
... crystalline lens . A strabismus opera- tion , when undertaken without an exact knowledge of the optical and muscular functions of the Eye , is but a rude and even dangerous . experiment . Manual dexterity alone no longer suffices in the ...
... crystalline lens . A strabismus opera- tion , when undertaken without an exact knowledge of the optical and muscular functions of the Eye , is but a rude and even dangerous . experiment . Manual dexterity alone no longer suffices in the ...
Page vii
... crystalline lens or in the spectacle glass ; and the two systems combined form the dioptric apparatus of the Eye . Thus it is to be hoped that the first chapter will enable the reader to dispense with other books on Physics , as far as ...
... crystalline lens or in the spectacle glass ; and the two systems combined form the dioptric apparatus of the Eye . Thus it is to be hoped that the first chapter will enable the reader to dispense with other books on Physics , as far as ...
Page ix
... Lens - Principal Focal Dis- tances - Optical Centre of the Biconvex Lens - Nodal Points of the Biconvex Lens ... Crystalline Lens - The Vitreous Body- Angle Alpha and Angle Gamma - The Dioptric System of the Eye in its relation to the ...
... Lens - Principal Focal Dis- tances - Optical Centre of the Biconvex Lens - Nodal Points of the Biconvex Lens ... Crystalline Lens - The Vitreous Body- Angle Alpha and Angle Gamma - The Dioptric System of the Eye in its relation to the ...
Page 9
... Crystalline lens , cortical layer , 1.393 Do. intermediate layer , 1.419 Do. nucleus , 1.431 II . - Liquids . Water , White of egg , Human blood , Sulphuric ether ,. Rectified alcohol , Canada balsam , . Saturated solution of sea salt ...
... Crystalline lens , cortical layer , 1.393 Do. intermediate layer , 1.419 Do. nucleus , 1.431 II . - Liquids . Water , White of egg , Human blood , Sulphuric ether ,. Rectified alcohol , Canada balsam , . Saturated solution of sea salt ...
Page 78
... lenses — that is , at the end of the preceding chapter , page 54 . We have followed ... crystalline ) separates the medium n ' from n " , the latter being more ... lens surrounded by a single medium . Finally , by combining the cardinal ...
... lenses — that is , at the end of the preceding chapter , page 54 . We have followed ... crystalline ) separates the medium n ' from n " , the latter being more ... lens surrounded by a single medium . Finally , by combining the cardinal ...
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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