WebLesions compressing the chiasm, such as pituitary adenomas, therefore cause bitemporal hemianopia. Lesions to optic radiations result in homonymous contralateral quadrantanopia . Those affecting Meyers loop in the temporal lobe result in a homonymous upper quadrantanopia (“pie in the sky”), while those affecting the parietal lobe cause a … WebIf the optic chiasm sits anterior to the pituitary gland within the tuberculum sellae, referred to as a prefixed chiasm, a pituitary adenoma is more likely to compress the posterior …
Pituitary Adenoma with Cholesterol Clefts - PubMed
WebBitemporal Hemianopsia In Ho Lee1, 2 Neil R. Miller3 Elcin Zan1 Fabiana Tavares1 Ari M. Blitz1 ... of 119 patients with pituitary macroadenoma who had undergone formal assessment of ... bitemporal, mixed (bitemporal with additional defects), homonymous, or nonspecific. RESULTS. A total of 89 of 115 patients had an abnormal VF. Only one … WebPituitary Adenoma - most common cause of chiasmal lesion; Craniopharyngioma; Meningioma (including optic nerve sheath meningioma) Optic glioma; Less common: … how to figure capital gains tax on stock
Acute Vision Loss: Lessons Learned - Review of …
Web5 feb. 2024 · Published on February 5, 2024. What homonymous hemianopsia (HH) can be defined as is when an individual is reduced to only being able to see one side of the visual world from each eye. HH is ... Web22 okt. 2014 · The role of specific practice for saccadic localization in patients with postgeniculate visual field defects. Neuropsychologia 22, 13–22. doi: 10.1016/0028-3932 (84)90003-4. Keywords: rehabilitation, homonymous hemianopia, blindsight, plasticity, brain reorganization, cortical visual impairment, post-chiasmatic damage. WebHomonymous describes defects that affect the same side of the vertical meridian (i.e., right or left side) of both eyes. For example, a right homonymous hemianopia affects the … how to figure capital gains tax