Optotype for Young Children
نویسندگان
چکیده
منابع مشابه
optotype method
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...
متن کاملOptotype and grating visual acuity in preschool children.
PURPOSE To investigate the contribution of stimulus and response differences to the different developmental courses of grating and optotype visual acuity at the preschool age range. METHODS Binocular visual acuity at 228 cm was assessed in 205 children in 7 age groups between 2.5 and 6 years and in 12 adults. Acuities were obtained in three tasks: detection of a grating in one of two position...
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PURPOSE The event-related potential P300 has been proposed for objective acuity estimation. In contrast to the acuity VEP, which relies on grating or checkerboard stimuli, the P300 can be recorded to small stimulus differences, making it suitable to use optotype stimuli. This may result in a better agreement with subjective measures of acuity than that found with VEP-based estimates. We tested ...
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ژورنال
عنوان ژورنال: American Journal of Ophthalmology
سال: 1919
ISSN: 0002-9394
DOI: 10.1016/s0002-9394(19)90153-x