The Refraction and Accommodation of the Eye and Their AnomaliesPentland, 1886 - 600 pages |
From inside the book
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Page x
... Influence of Convex Glasses on Convergence Treatment of the Convergent Strabismus of Hyperopes - Surgical Treatment of the Convergent Strabismus - Orthoptic Training — Atypic Hyperopia - Curva- ture - Hyperopia - Aphakia - Hyperopia due ...
... Influence of Convex Glasses on Convergence Treatment of the Convergent Strabismus of Hyperopes - Surgical Treatment of the Convergent Strabismus - Orthoptic Training — Atypic Hyperopia - Curva- ture - Hyperopia - Aphakia - Hyperopia due ...
Page 104
... influence exercised upon it by different states of refrac- tion , by correcting glasses , & c . & c . In rendering the eye myopic , or by placing before it a strong convex lens , an inverted image is produced . This latter can be ...
... influence exercised upon it by different states of refrac- tion , by correcting glasses , & c . & c . In rendering the eye myopic , or by placing before it a strong convex lens , an inverted image is produced . This latter can be ...
Page 106
... influence exerted by spectacle glasses upon the size of retinal images that we shall wish to know , and not so much the absolute size of such images as the size of one combination relatively to that of another , or of those of two eyes ...
... influence exerted by spectacle glasses upon the size of retinal images that we shall wish to know , and not so much the absolute size of such images as the size of one combination relatively to that of another , or of those of two eyes ...
Page 108
... influence upon the formation of these images . The luminous rays are refracted by the dioptric apparatus : the images would be formed quite as well ( indeed even better in certain cases ) , if the retina were not there . The dioptric ...
... influence upon the formation of these images . The luminous rays are refracted by the dioptric apparatus : the images would be formed quite as well ( indeed even better in certain cases ) , if the retina were not there . The dioptric ...
Page 109
... influence refracting surfaces of this kind exercise upon light which passes through them . We have seen that rays diverging from a luminous point are thus rendered less divergent , sometimes even convergent , so that they become ...
... influence refracting surfaces of this kind exercise upon light which passes through them . We have seen that rays diverging from a luminous point are thus rendered less divergent , sometimes even convergent , so that they become ...
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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