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 GeneralLongmans, Green, 1888 - 239 páginas |
Dentro del libro
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Página xxi
... surface 9. Permeability of bodies to light ; A , Rays partially intercepted ; B , Rays not intercepted 10. Reflection of light 11. Refraction of light 12. Inversion of retinal images of objects . 13. Explanation of visual angle 14 ...
... surface 9. Permeability of bodies to light ; A , Rays partially intercepted ; B , Rays not intercepted 10. Reflection of light 11. Refraction of light 12. Inversion of retinal images of objects . 13. Explanation of visual angle 14 ...
Página 2
... of determining their relative distances or depths . They are presented to the view like a picture on a flat surface . These defects of monocular vision may to a certain extent 2 CHAP . I THE ILLUSTRATED OPTICAL MANUAL.
... of determining their relative distances or depths . They are presented to the view like a picture on a flat surface . These defects of monocular vision may to a certain extent 2 CHAP . I THE ILLUSTRATED OPTICAL MANUAL.
Página 3
... surfaces , 1 , 2 , and 3 , being visible , determine the perception of relief with three diameters . and produce sensorially the effect of having proceeded from a single retinal impression . So far , then , as concerns visual perception ...
... surfaces , 1 , 2 , and 3 , being visible , determine the perception of relief with three diameters . and produce sensorially the effect of having proceeded from a single retinal impression . So far , then , as concerns visual perception ...
Página 6
... surface of any object , in respect to the light it is receiving , is regarded as lighted by the bases of a number of divergent pencils of rays , whose foci are at the source of illumina- tion ; and , in respect to the light it is ...
... surface of any object , in respect to the light it is receiving , is regarded as lighted by the bases of a number of divergent pencils of rays , whose foci are at the source of illumina- tion ; and , in respect to the light it is ...
Página 7
... SURFACE . Reflection of Light . - All bodies , whether opaque or transparent , with smoothly - polished surfaces ... surface forms with the normal , or perpendicular , to that surface , the angle at which it is turned away from that ...
... SURFACE . Reflection of Light . - All bodies , whether opaque or transparent , with smoothly - polished surfaces ... surface forms with the normal , or perpendicular , to that surface , the angle at which it is turned away from that ...
Otras ediciones - Ver todas
The Illustrated Optical Manual: Or Handbook of Instructions for the Guidance ... T. Longmore Sin vista previa disponible - 2018 |
The Illustrated Optical Manual, Or Handbook of Instructions for the Guidance ... Thomas Longmore, Sir Sin vista previa disponible - 2016 |
Términos y frases comunes
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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