نتایج جستجو برای: tropicamide
تعداد نتایج: 247 فیلتر نتایج به سال:
The cardiomyocytes in the superior vena cava (SVC) myocardial sleeve have distinct action potentials and ionic current profiles, but the refractoriness of these cells has not been reported. Using standard intracellular microelectrode techniques, we demonstrated in sheep that the effective refractory period (ERP) of the cardiomyocytes in the SVC (114.7 +/- 6.5 ms) is shorter than that in the inf...
(abstractThe Kowa laser cell flare meter has been recently introduced to quantify the assessment of aqueous cells and flare in vivo by measurement of light scattering from a low power HeNe beam. Computer analysis of this scattered light can distinguish cells (expressed as cell count) from protein (expressed as photon count/ms), and in-vitro work with albumin solutions has shown that the photon ...
PURPOSE To compare the cost and effectiveness of three cycloplegic agents among Nigerian children. METHODS Two hundred thirty-three children aged 4 to 15 years attending outpatient eye clinics in Nigeria were randomized to (1) 1% cyclopentolate, (2) 1% cyclopentolate and 0.5% tropicamide, or (3) 1% atropine drops in each eye (instilled at home over 3 days). Ten children were lost to follow-up...
Purpose To evaluate the effect of intracameral phenylephrine/ketorolac (1%/0.3%) during cataract surgery on the use of iris fixation ring and surgical time in patients with poor pupil dilation (≤5.0 mm) or intraoperative floppy iris syndrome (IFIS). Setting Private practice outpatient surgical center. Design This retrospective analysis was conducted from January 1, 2014 to October 7, 2015. ...
PURPOSE The Enright phenomenon describes the distortion in speed perception experienced by an observer looking sideways from a moving vehicle when viewing with interocular differences in retinal image brightness, usually induced by neutral density filters. We investigated whether the Enright phenomenon could be induced with monocular pupil dilation using tropicamide. METHODS We tested 17 visu...
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