The pathology of optic nerve aging. 1989

L Giarelli, and G Grandi, and M Delendi, and G Falconieri
University of Trieste, Department of Anatomic Pathology, Ospedale Maggiore, Trieste, Italy.

The pathology of the optic nerve in the advanced elderly has been investigated at autopsy in a sample of 50 subjects (43 males, 7 females), aged 95-103 years. Septal fibrous thickness and slendering of nerve fibers were the most frequently encountered lesions as well as degenerative processes involving the cribriform lamina. Other significant features included gliosis, demyelination, and corpora amylacea. Complete arteriosclerotic disease was rarely observed. The results of the present study suggest that optic nerve pathology in aged people is almost the consequence of an inadequate blood supply; nevertheless, the degree of these lesions does not seem to parallel that usually observed in other sites particularly injured by ischemic disease.

UI MeSH Term Description Entries
D008297 Male Males
D009900 Optic Nerve The 2nd cranial nerve which conveys visual information from the RETINA to the brain. The nerve carries the axons of the RETINAL GANGLION CELLS which sort at the OPTIC CHIASM and continue via the OPTIC TRACTS to the brain. The largest projection is to the lateral geniculate nuclei; other targets include the SUPERIOR COLLICULI and the SUPRACHIASMATIC NUCLEI. Though known as the second cranial nerve, it is considered part of the CENTRAL NERVOUS SYSTEM. Cranial Nerve II,Second Cranial Nerve,Nervus Opticus,Cranial Nerve, Second,Cranial Nerves, Second,Nerve, Optic,Nerve, Second Cranial,Nerves, Optic,Nerves, Second Cranial,Optic Nerves,Second Cranial Nerves
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000375 Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time. Senescence,Aging, Biological,Biological Aging
D014792 Visual Acuity Clarity or sharpness of OCULAR VISION or the ability of the eye to see fine details. Visual acuity depends on the functions of RETINA, neuronal transmission, and the interpretative ability of the brain. Normal visual acuity is expressed as 20/20 indicating that one can see at 20 feet what should normally be seen at that distance. Visual acuity can also be influenced by brightness, color, and contrast. Acuities, Visual,Acuity, Visual,Visual Acuities

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