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 5
... positions with the relative positions of the two eyes , they are described as homonymous ; when , on the contrary , the image to the left in position belongs to the right eye , and that to the right is the image perceived by the left ...
... positions with the relative positions of the two eyes , they are described as homonymous ; when , on the contrary , the image to the left in position belongs to the right eye , and that to the right is the image perceived by the left ...
Page 10
... positions of objects , whether primary or reflected , according to the part of the retina on which their images happen to fall ; if it did , the positions of the things would appear to change with changes in the position of the eyes ...
... positions of objects , whether primary or reflected , according to the part of the retina on which their images happen to fall ; if it did , the positions of the things would appear to change with changes in the position of the eyes ...
Page 11
... position of the point of intersection in an eye is made to alter , the size of the retinal image will be altered also , but this can hardly happen except artificially by placing a convex or concave lens before the eye . If a convex lens ...
... position of the point of intersection in an eye is made to alter , the size of the retinal image will be altered also , but this can hardly happen except artificially by placing a convex or concave lens before the eye . If a convex lens ...
Page 12
... position of the face , due to the projec- tion of the principal features . B. Diagram showing the outlines of the common , proper , and general fields of vision , with measurements . a , b , f , b , outline of general fie'd of vision ...
... position of the face , due to the projec- tion of the principal features . B. Diagram showing the outlines of the common , proper , and general fields of vision , with measurements . a , b , f , b , outline of general fie'd of vision ...
Page 14
... position that when strabismus exists the dis- RECTUS SUPERIOR RECTUS EXTERNUS SUPERIOR OBLIQUE . INFERIOR OBLIQUE RECTUS → INTERNUS RECTUS INFERIOR FIG . 15. - OCULAR MOVEMENTS . The arrows show the direction of the movements . The ...
... position that when strabismus exists the dis- RECTUS SUPERIOR RECTUS EXTERNUS SUPERIOR OBLIQUE . INFERIOR OBLIQUE RECTUS → INTERNUS RECTUS INFERIOR FIG . 15. - OCULAR MOVEMENTS . The arrows show the direction of the movements . The ...
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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