By U. Schiefer, H. Wilhelm (auth.), Professor Dr. Ulrich Schiefer, Professor Dr. Helmut Wilhelm, Professor Dr. William Hart (eds.)
Clinical Neuro-Ophthalmology is a problem for citizens and skilled clinicians alike. This booklet covers all proper concepts of prognosis in addition to interpretations of scientific indicators. All info is very dependent, highlighting ‘definition’, ‘note’ and ‘pearl’, in order that it could actually even be utilized by the health care professional throughout the sufferer stumble upon. The incorporated circulate chart posters remind the general practitioner of an important information.
This exact and functional consultant deals priceless and functional suggestion for physicians treating sufferers with neuro-ophthalmic problems.
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Extra resources for Clinical Neuro-Ophthalmology: A Practical Guide
7 a). , when removing drug-resistant epileptogenic tissue, resulting in a homonymous defect in the superior quadrant of the contralateral visual field or a defect in the contralateral temporal crescent. 3 Chapter 3 U. Schiefer and W. 8. The location and extent of (homonymous) visual field defects and their corresponding lesions within the visual cortex (modified from Walsh 1997; see “Further Reading”) ! 7a). the monocular portions of the visual field, is represented in the deeply situated, most anterior portions of the primary visual cortex, just posterior to the splenium of the corpus callosum and on the mesial surfaces of the occipital lobes.
By choosing appropriate stimulus sizes and luminous intensities, the hill of vision’s (conceptional) three-dimensional shape and size can be documented by plotting the various isopters. , as necessary for safe operation of a motor vehicle. It is particularly suited to the examination of patients capable of only poor cooperation, permitting a high level of efficiency when examining large visual field defects. • Pearl A common stimulus used for certification examinations is the III/4e test object, which has an angular size of about 26¢ and a luminance of about 320 cd/m2.
But even in the most peripheral parts of the retina, there are sufficient numbers of cones to dominate vision under photopic levels of illumination when the rods are completely bleached. • Pearl Most of today’s perimeters operate with an adapting background luminance of 3 to 10 cd/m2 in the lower photopic range, and consequently, test the function of cone-initiated vision only. Second Neuron: Bipolar Cells In the human retina, “only” 10 million bipolar cells (see also Chap. 7) process the signals arriving from the approximately 65 million photoreceptors.