منابع مشابه
Detection of nonorganic visual loss with a new optotype chart in simulated malingerers.
BACKGROUND We tested a new distance and pocket optotype chart for detection of nonorganic symmetrically decreased vision in simulated malingerers. The new optotype used in the charts is based on a subjective contour formed by a misalignment of two line segments. The minimum angle of resolution of this optotype is independent of its size. Subjects claiming to see only the larger optotypes are su...
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During routine work in the Orthoptic Department, we noticed that, in some children who were having their visual acuity tested by the Snellen method for the first time, the results proved worse than those recorded previously by the Sheridan Gardiner method. The majority of patients concerned had been having occlusion for amblyopia, which was either presumed or shown to exist by a test of the vis...
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Not all data in practice came from a process with normal distribution. When the process distribution is non-normal or unknown, the commonly used Shewhart control charts are not suitable. In this paper, a new non-parametric CUSUM Mean Chart is proposed to monitor the possible small mean shifts in the process. The sampling properties of the new monitoring statistics are examined and the average r...
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BACKGROUND The Babson and Benda 1976 "fetal-infant growth graph" for preterm infants is commonly used in neonatal intensive care. Its limits include the small sample size which provides low confidence in the extremes of the data, the 26 weeks start and the 500 gram graph increments. The purpose of this study was to develop an updated growth chart beginning at 22 weeks based on a meta-analysis o...
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ژورنال
عنوان ژورنال: Ophthalmologica
سال: 1975
ISSN: 1423-0267,0030-3755
DOI: 10.1159/000307553