Bitemporal hemianopsia
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Summary of 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.
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Pathology
Eyes, ears, nose and throat
Eye disorders
Color blindness
Cortical blindness
Hemianopsia
Homonymous hemianopsia
Bitemporal hemianopsia
Cataract
Glaucoma
Retinal detachment
Age-related macular degeneration
Diabetic retinopathy
Corneal ulcer
Retinoblastoma
Retinopathy of prematurity
Periorbital cellulitis
Uveitis
Keratitis
Orbital cellulitis
Hordeolum (stye)
Conjunctivitis
Neonatal conjunctivitis
Ear disorders
Vestibular disorders
Nasal and nasopharyngeal disorders
Oral cavity and oropharyngeal disorders
Laryngeal disorders
Thyroid and parathyroid gland disorders
Eyes, ears, nose and throat pathology review
Eye conditions: Refractive errors, lens disorders and glaucoma: Pathology review
Eye conditions: Retinal disorders: Pathology review
Eye conditions: Inflammation, infections and trauma: Pathology review
Vertigo: Pathology review
Nasal, oral and pharyngeal diseases: Pathology review
Thyroid nodules and thyroid cancer: Pathology review
Parathyroid disorders and calcium imbalance: Pathology review
AssessmentsBitemporal hemianopsia
Bitemporal hemianopsia
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Flashcards
Bitemporal hemianopsia
8 flashcards
Questions
USMLE® Step 1 style questions USMLE
1 questions
Preview
A 50-year-old man comes to the office because of a 1-month history of progressive vision loss and chronic headaches. His medical history is relevant to high blood pressure and coronary artery disease. Upon medical interrogation, the patient also reports having a loss of sexual drive and alternating mood swings. The physical exam is noncontributory. His temperature is 36.4°C (97.5°F), pulse is 70/min, respirations are 15/min, blood pressure is 130/70 mmHg. A head CT scan with contrast reveals a large suprachiasmatic cyst with calcifications.
Which of the following visual pathway defects is most likely to be seen in this patient?
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