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Short- and long-latency somatosensory evoked potentials (SEPs) were elicited by stimulation of the median nerve in 43 patients with neurological disorders. Abnormalities of short-latency peaks, P9, N13, and P14, were seen in patients with lesions of the peripheral nerve, cervical spinal cord, and brain stem, respectively. Subsequent component, N18, was… (More)
A blink reflex consists of an early unilateral component, R1, and a late bilateral component, R2. During an acute phase of hemispheric cerebrovascular accident, R1 and R2 were abnormal in 30 and 50 of 66 patients, respectively. Paired stimuli usually corrected R1 but not R2, which was profoundly suppressed. The discrepancy between polysynaptic R2 and… (More)
Thirty-nine of 52 patients, with definite (29) or probable (23) multiple sclerosis (MS) had unequivocal alterations of somatosensory evoked potentials (SEPs). In 28 patients both short- (up to N18) and long-latency (after N18) components were affected, whereas the abnormality was limited to the long-latency SEPs in the remaining 11 patients. These findings… (More)
Background. Primary pars plana vitrectomy (PPV) is often performed by vitreoretinal fellows. We aimed to evaluate the incidence of retinal breaks and detachments (RD) after fellow-performed PPV. Methods. We reviewed 119 consecutive cases of standard 3-port primary PPVs on 115 patients at a teaching institution from 2003 to 2006. In all cases, the primary… (More)
The authors report a case of transient third and sixth nerve paresis as a complication of optic nerve sheath fenestration in a patient with pseudotumor cerebri. The motility and pupillary abnormalities that are commonly associated with this procedure are reviewed briefly.
We sought to examine the evidence regarding the use of herbal medicines and nutritional supplements in age-related macular degeneration (AMD), cataracts, diabetic retinopathy and glaucoma, and to review the ocular adverse effects of herbal and nutritional agents of clinical importance to ophthalmologists. We performed a literature search of Ovid MEDLINE and… (More)