Tag Archives: ophthalmology

Review of Giant Cell Arteritis

The Bottom Line: Giant Cell Arteritis is the prime medical emergency in ophthalmology because it may result in loss of vision in 1 or both eyes. This vision loss is preventable if patients are diagnosed early and treated immediately with … Continue reading

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How does bitemporal hemianopia differ from the visual field defect known as tunnel vision?

Bottom line:  Bitemporal hemianopia results from a chiasmal lesion and causes “blindness in the lateral or temporal half of the visual field for each eye.”  The symptom described as tunnel vision refers to a constricting of the visual field all … Continue reading

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What is the evidence for use of intrathecal amphotericin in treating cerebral mucormycosis?

Bottom line:  There are only case reports on use of intrathecal amphotericine to treat cerebral mucormycosis. Pediatr Neurosurg. 2003 Apr;38(4):212-5 Aust N Z J Med. 1990 Feb;20(1):74-7 Arch Neurol. 2009 Feb;66(2):272-3. Neurosurgery. 1998 Mar;42(3):644-8 Clin Infect Dis. 1994 Dec;19(6):1133-7. Neurosurgery.  … Continue reading

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What structures of the eye are part of the uvea? How can you differentiate between uveitis and scleritis?

Bottom line: Uveitis affects the structures of the uveal tract, which includes the iris, ciliary body and choroid and which supplies blood to most of the eye.  Findings in uveitis may include a rim of hyperemia around the limbus (“ciliary … Continue reading

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What are the physical exam findings of acute angle glaucoma?

See examples of acute closed-angle glaucoma in AccessMedicine and MDConsult.  According to Physical Section of Glaucoma topic in DynaMed, and Glaucoma, Acute Angle-Closure topic in AccessMedicine, findings include red eye moderately dilated pupil cloudy cornea elevated intraocular pressure (according to AccessMedicine, > … Continue reading

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