Standards for Visual Acuity
نویسنده
چکیده
منابع مشابه
A Quantitative Investigation on the Effect of Edge Enhancement for Improving Visual Acuity at Different Levels of Contrast
Background: The major limitation in human vision is refractive error. Auxiliary equipment and methods for these people are not always available. In addition, limited range of accommodation in adult people when switching from a far point to a near point is not simply possible. In this paper, we are looking for solutions to use the facilities of digital image processing and displaying to improve ...
متن کاملAn evaluation of Tehran intercity bus drivers’ vision compared with the standards for Iran and Europe
Background: With an ever-increasing number of vehicles on the road, it is inevitable that drivers will need to call upon an increasing use of sensory and motor skills in order to negotiate safely through traffic. Vision is one of the major senses in human beings, and it is definitely necessary for safe driving. Approximately 95% of the sensory input to the brain required for driving comes from ...
متن کاملThe effect of Proprioceptive Neuromuscular Facilitation exercises on dynamic visual acuity and Sport performance of young basketball players
Aims: Deep sense plays a significant role in sensory control feedback, joint stability, coordination and balance. Despite the important role of vision and Proprioceptive Neuromuscular Facilitation on functional skills in athletes, a few studies have been conducted in this regard. This study aimed at investigating the effects of Proprioceptive Neuromuscular Facilitation exercises on dynamic visu...
متن کاملInvestigation of visual acuity and residual refractive error after cataract surgery in patients with senile cataract by phacoemulsification
Background and Aim: Vision improvement and reduction of refractive errors are considered as important goals of cataract surgery. The purpose of this study was to evaluate residual refractive errors after cataract surgery in the patients with senile cataract in Shahid Rahimi Hospital in Khorramabad City between 2017 and 2018. Material and Methods: This cross-sectional study included 178 patients...
متن کاملحدت بینایی و عوامل مؤثر بر آن در زنان قالی‌باف: روستای فردو شهرستان قم
Background: Healthy vision of workers is one of the important elements in carpet weaving industry which has essential role in improving of the job quality and efficiency. Visual acuity is the primary outcome measure in most studies involving eye diseases. Ihe aim of this study was determination of visual acuity and its effective factors in women carpet weaver in fordu rural area of Qom has ...
متن کاملبررسی مقایسه‌ای حدت بینایی و حساسیت به کنتراست در رانندگان مراجعه‌کننده به درمانگاه چشم بیمارستان فرشچیان همدان
Background and Objective: Car accidents are the second leading cause of mortality in Iran. For safe driving, drivers require minimum acceptable visual acuity. In Iran, the accepted routine test to take driving license is Snellen vision chart, which is not adequate for visual acuity determination in real and natural environment. It seems that introducing a more sensitive and specific screening t...
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