| 31. | Bitemporal hemianopia with or without central scotoma is present if the lesions have affected the body of the chiasm.
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| 32. | The most common tumors in this region are craniopharyngiomas, pituitary adenomas, meningiomas, and optic chiasm gliomas.
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| 33. | The neurons in the optic nerve decussate in the optic chiasm with some crossing to the contralateral optic nerve tract.
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| 34. | Lesions or damage to parts of the brain that cause visual field defects usually occur posterior to the optic chiasm.
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| 35. | If a cyst adds pressure to the optic chiasm, it may cause visual disturbances, pituitary dysfunction, and headaches.
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| 36. | The optic chiasm, which is crucial to the visual system, was discovered around 100 C . E . by Marinus.
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| 37. | This can result in compression of the optic chiasm, which lies on top of the pituitary, enveloping the pituitary stalk.
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| 38. | If the lesion is in close proximity to the optic nerves or optic chiasm, a visual field examination should be performed.
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| 39. | At the chiasm, 53 % of the axons from the nasal retina cross the midline to join the uncrossed temporal fibers.
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| 40. | In his chapter, " The Intertwining-The Chiasm, " Maurice Merleau-Ponty introduces the notion of the flesh.
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