WebSpecific monocular or binocular visual field defects can be highly localizing when the neuroanatomy of the visual pathways is understood. The temporal visual field … WebDec 2, 2024 · Visual pathway or visual field deficits are defects in visual space determined by the location of a lesion in the neurological visual pathway from eye to brain cortex. Understanding of the visual system is paramount 1: retina or optic nerve anopia or central scotoma (ipsilateral) optic chiasm 2
Unusual chiasmal visual field defects - PubMed
Web1 day ago · Download Citation Optical coherence tomography detects early optic nerve damage before visual field defect in patients with pituitary tumors Optical coherence … WebMay 25, 2024 · The optic chiasm or chiasma is the midline structure where the nasal (medial) fibers of the optic nerves decussate to continue posteriorly as the optic tracts. ... how far is one degree latitude in miles
Retinal Hemifield Slide Phenomenon - EyeWiki
Web7 rows · Visual field defects. At the optic chiasm, fibres from the nasal half of the retina, ... WebOct 1, 2024 · Lesions anterior to the optic chiasm cause monocular vision loss, whereas lesions at or posterior to the chiasm lead to bilateral visual field defects. Problems leading to monocular blindness can be broadly divided into 3 anatomic categories : Ocular medial (including the cornea, anterior chamber, and lens) Retinal When a disease or lesion affects the optic nerve before it reaches the optic chiasm in the brain, the defect in the vision will show up in only one eye and can affect the entire field of that eye. People that suffer from a one-sided defect sometimes do not notice it until one eye is covered. This is because, when both eyes are … See more At the optic chiasm, nerve fibers from half of each retina cross over to the opposite side of the brain. The fibers from the other half of the retina travel to the same side of the brain. Because of … See more There are a number of disorders that can affect the optic chiasm. These include:2 1. Inflammatory disorders such as multiple sclerosis 2. Infections … See more The most common disorder affecting the optic chiasm is a pituitary adenoma.3Pituitary adenomas are benign tumors. In most … See more high bridge school nj