Optic Disk Disorder

《英文msh詞典》Optic Disk Disorder
[入口詞] Optic Disk Disorder
[主題詞] Optic Nerve Diseases
[英文釋義] Conditions which produce injury or dysfunction of the second cranial or optic nerve,which is generally considered a component of the central nervous system. Damage to optic nerve fibers may occur at or near their origin in the retina,at the optic disk,or in the nerve,optic chiasm,optic tract,or lateral geniculate nuclei. Clinical manifestations may include decreased visual acuity and contrast sensitivity,impaired color vision,and an afferent pupillary defect.