نتایج جستجو برای: color vision deficiency
تعداد نتایج: 373666 فیلتر نتایج به سال:
Background and purpose: Color vision deficiency is an X-linked recessive inherited disease that affects men more than women. The aim of this study was to determine the prevalence of color vision deficiency among patients with amblyopia aged 10 to 30 years old. Materials and methods: A cross-sectional population-based study was performed in 2846 participants, aged 10 to 30 years in 2013-15 at...
purpose: to evaluate color vision in patients with type ii diabetes mellitus without diabetic retinopathy and compare the results with those of age- and sex- matched normal individuals. methods: this descriptive, comparative study was conducted on 100 diabetic patients without any sign of retinopathy and 100 age- and sex-matched normal subjects. color vision was evaluated using ishihara and far...
acquired color deficiency in the tritan axis in parkinson’s disease has already been reported, manifesting itself as impaired performance in various visual tasks. however, its clinical significance has always been controversial. in this study we evaluated the performance of parkinson s disease patients in lanthony 15-desaturated clinical test and for the first time, compared it with the standar...
OBJECTIVE To describe the frequency of color vision deficiency among Pakistani adults presenting for pre-employment health screening in a tertiary care hospital. METHODS The cross-sectional study was carried out at the Aga Khan University Hospital, Karachi, and the data was collected for color vision deficiency, age, gender, and job applied for from pre-employment examination during 2013-2014...
Color vision deficiency, most of the time remains an unnoticed problem; even many doctors/health professionals do not know the severity of their color vision deficiency and their disability. Some common difficulties reported by medical practitioners and students of health sciences were in recognizing- widespread body color changes (pallor, cyanosis, icterus, rashes, erythema of skin), colorful ...
Color vision deficiency, most of the time remains an unnoticed problem; although it is not very rare. The faculty of appreciation of color is essential for our smooth daily activities. Unfortunately, even many doctors do not know the severity of their color vision deficiency and tend to assume it as slight, and a few, as in the general population, do not know about their disability. Some common...
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