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
Resultados 1-5 de 51
Página 5
... varies in different eyes according to their refractive qualities , whether emmetropic , myopic , or hypermetropic . In binocular vision , when the object which is viewed is remote , the visual lines of the two eyes are parallel , or ...
... varies in different eyes according to their refractive qualities , whether emmetropic , myopic , or hypermetropic . In binocular vision , when the object which is viewed is remote , the visual lines of the two eyes are parallel , or ...
Página 7
... vary in aspect and colour according as they vary in reflecting , absorbing , or decomposing the light which falls on them . A B FIG . 8. - RADIATION OF LIGHT RE- FLECTED FROM AN ILLUMINATED FLAT SURFACE . Reflection of Light . - All ...
... vary in aspect and colour according as they vary in reflecting , absorbing , or decomposing the light which falls on them . A B FIG . 8. - RADIATION OF LIGHT RE- FLECTED FROM AN ILLUMINATED FLAT SURFACE . Reflection of Light . - All ...
Página 9
... vary in degree in substances of different kinds . The deviation of rays of light from their original direction on passing obliquely from one into another medium of different density takes place according to fixed laws , and the ...
... vary in degree in substances of different kinds . The deviation of rays of light from their original direction on passing obliquely from one into another medium of different density takes place according to fixed laws , and the ...
Página 10
... the distance of the object from the eye . If the object be of a fixed size , the size of the angle under which it is seen will vary inversely as its distance from the eye 10 CHAP . I THE ILLUSTRATED OPTICAL MANUAL Visual angle.
... the distance of the object from the eye . If the object be of a fixed size , the size of the angle under which it is seen will vary inversely as its distance from the eye 10 CHAP . I THE ILLUSTRATED OPTICAL MANUAL Visual angle.
Página 11
... vary in size as the distance from the point of intersection of the rays forming it to the plane of the retina varies . In a short , or hypermetropic eye , the distance from the nodal point to the retina will be less than it is in an ...
... vary in size as the distance from the point of intersection of the rays forming it to the plane of the retina varies . In a short , or hypermetropic eye , the distance from the nodal point to the retina will be less than it is in an ...
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
Pasajes populares
Página 10 - A System of Surgery, Theoretical and Practical, in Treatises by Various Authors.
Página 14 - TREASURY OF KNOWLEDGE AND LIBRARY OF REFERENCE. Comprising an English Dictionary and Grammar, Universal Gazetteer, Classical Dictionary, Chronology, Law Dictionary, &c.
Página 16 - INDUSTRIAL CHEMISTRY; a Manual for Manufacturers and for Colleges or Technical Schools ; a Translation of PAYEN'S ' Precis de Chimie Industrielle.
Página 17 - Other Worlds than Ours ; The Plurality of Worlds Studied under the Light of Recent Scientific Researches.
Página 15 - Miller. — WORKS BY W. ALLEN MILLER, MD LL.D. THE ELEMENTS OF CHEMISTRY, Theoretical and Practical. Re-edited, with Additions, by H. MACLEOD, FCS 3 vols. 8vo. Part I. CHEMICAL PHYSICS, i6^.
Página 7 - FRS THE SCIENCE AND ART OF SURGERY: Being a Treatise on Surgical Injuries, Diseases, and Operations. With 984 Illustrations.
Página 5 - A General History of Greece from the Earliest Period to the Death of Alexander the Great, with a sketch of the subsequent History to the present time. New Edition. Crown 8vo. Cloth, price 7$. 6d, Tales of Ancient Greece.
Página 4 - RELIGIOUS and MORAL WORKS. An Exposition of the 39 Articles, Historical and Doctrinal. By EH BROWNE, DD Bishop of Winchester.
Página 11 - CRITIQUE OF PRACTICAL REASON, AND OTHER WORKS ON THE THEORY OF ETHICS.
Página 21 - NOTES of a COURSE of SEVEN LECTURES On ELECTRICAL PHENOMENA and THEORIES, delivered at the Royal Institution AD 1870.