Effect of personality and eye relaxation practices on visual acuity
商品資訊
ISBN13:9781805451808
出版社:Graphic Audio
作者:Lekshmi K
出版日:2022/11/13
裝訂:平裝
規格:22.9cm*15.2cm*1.3cm (高/寬/厚)
商品簡介
Vision is our most important tool for understanding and organizing the events in the external world in which we are moving and thus an inseparable means o f obtaining experience and knowledge. Our sense organs provide us with a variety of information all the time. The most effective among our sense organs are our eyes. We depend on eyes and the images they provide us for thinking, remembering, planning and almost all our activities. Earlier man used to work only by day and the work involved hunting that utilizes distant vision, here the eyes are more or less at a state of rest. His eyes also had rest at night. Development in science and technology left us with all the efficient gadgets from electric lights to computers which serve us day and night, leaving little time for our eyes to rest and relax. The numerous hours o f work as well as entertainment involving television viewing, computers and reading has increased the strain on our eyes at terrific magnitudes. Blurred vision and dependency on spectacles or contact lens are a common occurrence. Defective vision is more prevalent today than any other time. Studies show (WHO media centre, 2002) that, globally, in 2002 more than 161 million had low vision. Refractive ailments are not included implying that the actual magnitude of visual ailments is much greater; emphasizing the significance of a study aimed at reducing the strain on the eyes through relaxation.
主題書展
更多書展購物須知
外文書商品之書封,為出版社提供之樣本。實際出貨商品,以出版社所提供之現有版本為主。部份書籍,因出版社供應狀況特殊,匯率將依實際狀況做調整。
無庫存之商品,在您完成訂單程序之後,將以空運的方式為你下單調貨。為了縮短等待的時間,建議您將外文書與其他商品分開下單,以獲得最快的取貨速度,平均調貨時間為1~2個月。
為了保護您的權益,「三民網路書店」提供會員七日商品鑑賞期(收到商品為起始日)。
若要辦理退貨,請在商品鑑賞期內寄回,且商品必須是全新狀態與完整包裝(商品、附件、發票、隨貨贈品等)否則恕不接受退貨。

