primary vision care is recommended for infants and young children .childhood is critical time to prevent loss of vision and to optimize treatment so some eye disorders in children must be diagnosed at this time.to detect risk factors and visual abnormalities, the eye screening done by pediatricians and other primary care providers is necessary. the process that should occur at each child visit ...

the eyes are organs that detect light and convert it into electro-chemical impulses in neurons. visual perception is the ability to interpret information and surroundings from the effects of visible light reaching the eye. medicine recognizes that altitudes above 1500 meters start to affect humans so that, the eye is very sensitive to restriction of its supply of oxygen. a dimming of vision acc...

BACKGROUND Vision loss causes major changes in lifestyle and habits that may result in psychological distress and further reduction in the quality of life. Little is known about the magnitude of psychological distress in patients with vision loss and its variation with the normal. The aim of this study is, therefore, to investigate the psychological effects of vision loss and its determinants a...