Coloured Spectacles
نویسنده
چکیده
منابع مشابه
A comparison of two-coloured filter systems for treating visual reading difficulties
PURPOSE Visual disturbances that make it difficult to read text are often termed "visual stress". Coloured filters in spectacles may help some children overcome reading problems that are often caused by visual stress. It has been suggested that for optimal effect each child requires an individually prescribed colour for each eye, as determined in systems such as the "Harris Foundation" coloured...
متن کاملSafety and compliance of prescription spectacles ordered by the public via the Internet.
BACKGROUND This study investigated prescription spectacles ordered from online vendors and delivered directly to the public for compliance with the optical tolerance and impact resistance requirements for eyewear dispensed in the United States. METHODS Ten individuals ordered 2 pairs of spectacles from each of 10 of the most visited Internet vendors, totaling 200 eyewear orders. Spectacles or...
متن کاملEvidence for a role of action in colour perception.
Action is not usually considered to play a role in colour perception. However, sensorimotor theories of perception (eg O'Regan and Noë, 2001 Behavior and Brain Science 24 939-1011) suggest that, on the contrary, the transformations created by action in the sensory input are a necessary condition for all perception. In the case of colour vision, eye movements may explain how a retina with signif...
متن کاملSpectacles use in a rural population in the state of Telangana in South India
CONTEXT Uncorrected refractive errors are the leading cause of visual impairment. AIMS To assess the prevalence and patterns of spectacles use among those aged ≥40 years in the South Indian state of Telangana. SETTINGS AND DESIGN This was a population-based, cross-sectional study, in which 6150 people were enumerated from 123 clusters in the two districts of Telangana state (Adilabad and Ma...
متن کاملPredictors of early acceptance of free spectacles provided to junior high school students in China.
OBJECTIVE To examine factors influencing adherence to spectacle wear and perceived value within a prospective 1-month trial of ready-made and custom spectacles in school-aged children with uncorrected refractive error in urban China. METHODS A total of 428 students aged 12 to 15 years with at least 1 diopter of uncorrected refractive error were given free spectacles and evaluated 1 month late...
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عنوان ژورنال:
دوره 28 شماره
صفحات -
تاریخ انتشار 2016