The Refraction and Accommodation of the Eye and Their AnomaliesPentland, 1886 - 600 pages |
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Page 70
... ing empirically the glass that adapts the eye to the given distance without taking into account whether or not it corresponds to the one called for by C the patient's age , we lose much time , and 70 PHYSICAL PORTION .
... ing empirically the glass that adapts the eye to the given distance without taking into account whether or not it corresponds to the one called for by C the patient's age , we lose much time , and 70 PHYSICAL PORTION .
Page 71
Edmond Landolt. the patient's age , we lose much time , and many of the most significant alterations of accommodation escape our notice . We meet with such cases , and even more complicated ones , every day , in practice . All these ...
Edmond Landolt. the patient's age , we lose much time , and many of the most significant alterations of accommodation escape our notice . We meet with such cases , and even more complicated ones , every day , in practice . All these ...
Page 214
... patient's ametropia . From r2 to r , he possesses a certain relative range of accommodation and convergence , positive as well as negative . But , with 165 metre - angles ( at the point r , ) , his convergence has reached its maximum ...
... patient's ametropia . From r2 to r , he possesses a certain relative range of accommodation and convergence , positive as well as negative . But , with 165 metre - angles ( at the point r , ) , his convergence has reached its maximum ...
Page 221
... patient's eyes a parallel direc- tion . The accommodation being , up to a certain point , associated with the convergence , it is nearer a state of rest , when convergence is nil , i.e. , when the eyes are directed parallelly , than ...
... patient's eyes a parallel direc- tion . The accommodation being , up to a certain point , associated with the convergence , it is nearer a state of rest , when convergence is nil , i.e. , when the eyes are directed parallelly , than ...
Page 222
... patients are not always good - natured , and are rarely accurate observers . Some would not , and others could not ... patient recognises the object in all its details , we may be sure that the retinal image is distinct , and that the ...
... patients are not always good - natured , and are rarely accurate observers . Some would not , and others could not ... patient recognises the object in all its details , we may be sure that the retinal image is distinct , and that 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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