Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
Dentro del libro
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Página 21
... position to the face of the watch , there is an opaque , colored plate called the iris , I. It is the colored part of the eye , black , brown , blue , or gray , in different individuals . This transverse plate is not perfectly flat ...
... position to the face of the watch , there is an opaque , colored plate called the iris , I. It is the colored part of the eye , black , brown , blue , or gray , in different individuals . This transverse plate is not perfectly flat ...
Página 22
Joseph LeConte. corresponding in position with the hole in the watch face for attachment of the hands . The pupil seems to be jet black , because the observer looks through the pupil into the dark interior of the ball . The function of ...
Joseph LeConte. corresponding in position with the hole in the watch face for attachment of the hands . The pupil seems to be jet black , because the observer looks through the pupil into the dark interior of the ball . The function of ...
Página 37
... position of the point of sight . This capacity he calls periscopism . We will hereafter , how- ever , give reasons showing that this property of the crystalline can be of little value to man . 5. Adjustment for Light . - The delicate ...
... position of the point of sight . This capacity he calls periscopism . We will hereafter , how- ever , give reasons showing that this property of the crystalline can be of little value to man . 5. Adjustment for Light . - The delicate ...
Página 43
... position and grows smaller . image is reflected from the anterior surface of the crys- talline . The anterior surface of the crystalline , there- fore , changes its form . Again , the nature of the change of the image , viz . , that it ...
... position and grows smaller . image is reflected from the anterior surface of the crys- talline . The anterior surface of the crystalline , there- fore , changes its form . Again , the nature of the change of the image , viz . , that it ...
Página 45
... position of the receiv- ing screen . Like the microscope , but how infinitely superior ! The microscope has its four - inch lens , its two - inch lens , its one - inch lens , its half - inch lens , its quarter - inch , its tenth - inch ...
... position of the receiv- ing screen . Like the microscope , but how infinitely superior ! The microscope has its four - inch lens , its two - inch lens , its one - inch lens , its half - inch lens , its quarter - inch , its tenth - inch ...
Términos y frases comunes
angle animals axis bacillary layer binocular eye binocular perspective binocular vision camera central spot ciliary muscle circle Cloth colors combined images cones corresponding points cross depth of space distance distant objects distinct divergence double images evident exactly Experiment external images farther fibers field of view gaze Helmholtz heteronymous homonymous horizontal horopter horopteric line identical points Illustrations impression inches inclination interocular space inverted jects left eye left-eye image lens light line of sight look median line monocular motion muscles naked eyes natural nearer nose oblique observer ocular optic axes optic centers optic chiasm optic convergence optic nerve outward parallel perceived perception perfect image perfectly point of sight position projection ray-lines rays refractive represent retina retinal images right and left right eye rotation sclerotic screen seen single shut side Sociology stereoscope surface T. H. HUXLEY tion torsion vertical meridian vibrations visual lines visual result vols
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