Wissenschaftliche Abhandlungen: Wissenschaftliche Abhandlungen

Helmholtz, Hermann

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Multivolume work

Persistent identifier:: 1788370473

Author:: Helmholtz, Hermann

Title:: Wissenschaftliche Abhandlungen

Year of publication:: 1882

Place of publication:: Leipzig; Hannover

Publisher of the original:: Johann Ambrosius Barth

Identifier (digital):: 1788370473

Language:: German

Publisher of the digital copy:: Technische Informationsbibliothek (TIB)

Document type:: Multivolume work

Volume

Persistent identifier:: 1788371100

Author:: Helmholtz, Hermann

Title:: Wissenschaftliche Abhandlungen

Sub title:: mit einem Bildniss

Scope:: XXXVIII, 654 Seiten

DOI:: 10.14463/KXP:1788371100

Year of publication:: 1895

Place of publication:: Leipzig

Publisher of the original:: Johann Ambrosius Barth

Identifier (digital):: 1788371100

Illustration:: 1 Porträt

Signature of the source:: a 2610(3)

Language:: German

Usage licence:: Public Domain Mark 1.0

Publisher of the digital copy:: Technische Informationsbibliothek (TIB)

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2022

Document type:: Volume

Collection:: Natural sciences; Physics

Chapter

Title:: CVIII. On the Normal Motions of the Human Eye in relation to Binocular Vision. [...]

Document type:: Multivolume work

Structure type:: Chapter

CV. On the Normal Motions of the Human Eye in relation to Binocular Vision. Aus: Proceedings of the Royal Society of London. Vol. XII. (1863—64), D. 186—199. Croonian Lecture. April 14. 1864. The Motions of the Human Eye are of considerable interest, 186 as well for the physiology of voluntary muscular motion in general, as for the physiology of vision. Therefore I may be allowed to bring before this Society the results of some investi- gations relating to them, which I have made myself; and I may venture perhaps to hope that they are such as to interest not only physiologists and medical men, but every scientific man who desires to understand the mechanism of the per- ceptions of our senses. The eyeball may be considered as a sphere, which can be turned round its centre as a fixed point. Although this description is not absolutely accurate, it is suffieiently so for our present purpose. The eyeball, indeed, is not fixed during its motion by the solid walls of an articular excavation, like the bone of the thigh; but, although it is surrounded at its posterior surface only by soft cellular tissue and fat, it cannot be moved in a perceptible degree forward and backward, because the volume of the cellular tissue, included between the eyeball and the osseous walls of the orbit, cannot be diminished or augmented by forces so feeble as the muscles of the eye are able to exert. In the interior of the orbit, around the eyeball six muscles

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