Textbook of ophthalmology in the form of clinical lectures. v.3, 1913, Volume 3Rebman, 1913 |
Table des matières
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Expressions et termes fréquents
abducens accommodation affected appear artery asthenopia astigmatism atrophy brain cause cells central cerebral changes chiasm choked disc chorioid ciliary muscle clinical color condition congenital conjunctiva contraction convergence convex cornea degeneration degree detachment diagnosis differential dilated Dioptres disease emmetropic etiology examination eyeball facial nerve facial paresis field of vision focal distance frequently fundus ganglion glass glioma hemianopsia hemorrhages hypermetropia impaired increase inflammation intraocular iris keratitis layer lens lesion levator macula margin meningitis movements multiple sclerosis myopia nerve fibres normal nucleus ocular muscles ocular symptoms oculomotor nerve ophthalmoplegia ophthalmoscope optic nerve optic neuritis orbicularis orbit palpebral fissure papilla parallel rays paresis paretic pathological patient peripheral pigment epithelium pons portion posterior present produced ptosis pupil pupillary rare rays of light reaction rectus reflex immobility refraction retina right eye sarcoma sclera scotoma seen side sinus spinal syphilis tabes tension tissue tract trigeminus tumor vessels visual acuity vitreous
Fréquemment cités
Page 771 - A' MB' are similar, and A'B'^B'M AB BM' So in this case, as before, the size of the image is to the size of the object, as the distance of the image from the mirror is to the distance of the object from the mirror.
Page 860 - ... pointer attached to each tube indicates on a scale the extent to which the tube is rotated. The small sight openings are so adjustable that the distance between them may be suited to the interpupillary distance of different persons. For the accommodation of those who, on account of presbyopia, myopia, or any high degree of refractive error, cannot see at the distance of the test objects from the eyes, there are clips in which refracting glasses may be placed. The sight openings being very small...
Page 860 - ... up, and in that of the other tube straight down. These tubes are so adjusted on a standard that they can be placed and maintained in the same horizontal plane, which is indicated by a spirit level, but from end to end they can be directed horizontally or up or down. They can, as above intimated, be made to converge or diverge to meet certain contingencies. The tubes rotate on their long axes, and a pointer attached to each tube indicates on a scale the extent to which the tube is rotated. The...
Page 860 - ... straight up, and in that of the other tube straight down. These tubes are so adjusted on a standard that they can be placed and maintained in the same horizontal plane, which is indicated by a spirit level, but from end to end they can be directed horizontally or up or down. They can, as above intimated, be made to converge or diverge to meet certain contingencies. The tubes rotate on their long axes, and a pointer attached to each tube indicates on a scale the extent to which the tube is rotated....
Page 603 - The nuclei of the hypoglossal nerve are under the floor of the fourth ventricle, on each side of the raphe.
Page 645 - The ophthalmic ganglion is found at the back of the orbit, between the optic nerve and the external rectus. It has three roots — viz., the long or sensory, from the nasal branch of the ophthalmic ; a short or motor, from the branch of the third to the inferior oblique ; and the sympathetic root, from the cavernous plexus.
Page 771 - The visual angle is a solid angle formed by lines drawn from the extremities of the object, through the nodal point of the eye, to the corresponding extremities of the retinal image.
Page 627 - ... eclampsia. It is very probably the death of the fetus in utero in some cases is preceded by marked movements which are of the nature of convulsions. It is also likely that postnatal eclamptic phenomena might occasionally occur. DR. G. KOLISCHER. — I think Dr. De Lee is correct in his diagnosis. There is no doubt that we have to deal here with a case of eclampsia in both mother and child. The differential diagnosis between eclamptic and other convulsions is made by the presence of temperature....
Page 814 - In order that this requirement may be met it is necessary (l)That the bench be raised above the floor the length of the child's legs (measured from the popliteal space to the sole of the foot). (2) It ought to be as broad as the thighs are long (the distance from the popliteal space to the back). (3) The front rounded edge of the bench ought to project two or three centimeters beyond the inner edge of the table. (4) The seat should be sufficiently high so that the child can, when writing, conveniently...
Page 664 - This partial decussation serves to bring all of the optic nerve fibers transmitting impulses from either the right or the left half of the field of vision into the contralateral optic tract.