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Bitemporal hemianopsia. Bitemporal hemianopsia is the medical description of a type of partial blindness where vision is missing in the outer half of both the right and left visual field. It is usually associated with lesions of the optic chiasm, the area where the optic nerves from the right and left eyes cross near the pituitary gland. [1][2]
Homonymous hemianopsia is the loss of half of vision on the same side of the visual field. It is caused by a brain injury located post-chiasmal on the optic tract closest to the brain. If the brain injury were on the left side, half the vision in the right eye would be lost.
Bitemporal hemianopsia (or bitemporal hemianopia) describes the ocular defect that leads to impaired peripheral vision in the outer temporal halves of the visual field of each eye.
The bitemporal hemianopia field defect is the classic presentation of a chiasmal lesion. This presents with loss of both temporal fields and is due to compression of the bilateral decussating nasal fibers at the chiasm, since the nasal fibers correspond with the temporal visual fields.
With hemianopsia, you can see only part of the visual field for each eye. Hemianopsia is classified by the part of your visual field that’s missing: bitemporal: outer half of each visual field
Bitemporal hemianopia may only cause problems in your depth perception or a slight loss of peripheral vision. You can often still get a driver's license with bitemporal hemianopia in many...
Bitemporal hemianopia is a visual condition characterized by the loss of vision in the outer (temporal) halves of the visual field in both eyes. This rare disorder can significantly affect daily life, making it crucial to understand its causes, symptoms, and treatment options.
When assessing bitemporal hemianopsia, particular emphasis should be placed on examining the optic chiasm and sellar region. In addition, it is crucial to fully examine the retrochiasmal structures, such as the optic tract and occipital lobe, in people with homonymous hemianopsia.
Bitemporal hemianopsia is a condition that affects a person's vision. It's a form of partial blindness in which vision is impaired in the outer half of both the right and left visual fields. Bitemporal hemianopsia can be caused by various things, such as pituitary tumors compressing the optic chiasm, trauma, and aneurysms.
Bitemporal hemianopsia is a specific visual field deficit characterized by peripheral vision loss on both sides. By understanding its causes, clinical manifestations, and diagnostic approaches, individuals can gain valuable insights into this visual impairment.