The Illustrated Optical Manual, Or Handbook of Instructions for the Guidance of Surgeons in Testing Quality and Range of Vision, and in Distinguishing and Dealing with Optical Defects in General |
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Page xvii
... Effect of rays from Emc . eye on observer Of rays from Mc . eye Of rays from Hc . eye • Application of observations to dia- PAGE Of Ast . 111 105 Measure of ametropia by refraction ophthalmoscopes 111 105 Description of refraction ...
... Effect of rays from Emc . eye on observer Of rays from Mc . eye Of rays from Hc . eye • Application of observations to dia- PAGE Of Ast . 111 105 Measure of ametropia by refraction ophthalmoscopes 111 105 Description of refraction ...
Page xix
... Effects of pressure on an eye 191 Degree of M. which admits recruits Application of the test - dots . 192 to military service 200 Rejection of a recruit for defective Visual quality essential for a sol- V. 192 dier in the ranks 200 ...
... Effects of pressure on an eye 191 Degree of M. which admits recruits Application of the test - dots . 192 to military service 200 Rejection of a recruit for defective Visual quality essential for a sol- V. 192 dier in the ranks 200 ...
Page xxii
... Effect of prism applied to a squinting eye 37. Contrary movements of convex lens and image 38. Real and virtual images ... effects on dots and lines 52 Diffusion images in astigmatism • 53. Horizontal and vertical lines as tests for ...
... Effect of prism applied to a squinting eye 37. Contrary movements of convex lens and image 38. Real and virtual images ... effects on dots and lines 52 Diffusion images in astigmatism • 53. Horizontal and vertical lines as tests for ...
Page 2
... effect the first of these conditions , the curvatures , refractive qualities , and mutual relations of the trans- parent media of each eye must be such that the rays of light pro- ceeding from the external object are all brought by them ...
... effect the first of these conditions , the curvatures , refractive qualities , and mutual relations of the trans- parent media of each eye must be such that the rays of light pro- ceeding from the external object are all brought by them ...
Page 3
... effects of binocular vision can never be fully realised by the use of one eye alone . 2 FIG . 1. - MONOCULAR VISION ... effect of having proceeded from a single retinal impression . So far , then , as concerns visual perception ...
... effects of binocular vision can never be fully realised by the use of one eye alone . 2 FIG . 1. - MONOCULAR VISION ... effect of having proceeded from a single retinal impression . So far , then , as concerns visual perception ...
Other editions - View all
The Illustrated Optical Manual: Or Handbook of Instructions for the Guidance ... T. Longmore No preview available - 2018 |
The Illustrated Optical Manual, Or Handbook of Instructions for the Guidance ... Thomas Longmore, Sir No preview available - 2016 |
Common terms and phrases
accommodation acuteness of vision amblyopia ametropia ametropic amount of Acc appear army asthenopia astigmatic eye astigmatism axis binocular vision bull's-eye cause centre ciliary muscle colour colour-blindness concave lens convex lens cornea correcting lens correction Crown 8vo curvature cylindrical lens defect Diagnosis diffusion dioptric diplopia direction distance distant objects distant point distinct vision emmetropic examination exerted exist eye under observation feet focal fundus glasses inches keratoscopy left eye lenses lessened medical officer meridian Mc military service mirror myope myopic neutralised normal acuteness ocular ophthalmoscopic optic parallel rays patient person placed point of distinct power of Acc practice principal focus principal meridians prism rays of light rays proceeding recruit refractive defect refractive power refractive quality regards rendered retina retinal images rifle right eye seen shadow sight soldier spectacles spherical strabismus surgeon target test-dots tion unfit visual acuteness visual angle visual lines
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