Abstract The Northern Territories Protectorate and its people were located on the economic political margins of Britain's Gold Coast Crown Colony (now Ghana) throughout colonial period. article examines how region's peripherality allowed Tsetse Control Department to carry out an extensive campaign bush clearing resettlement along northern river valleys from 1930s 1950s, with little supervision ...

background: color blindness is an inherited disorder in which a person cannot distinguish colors from each other.  color blind drivers are involved in car accident twice as much as others. according to the importance of identifying causes of a lot of car accidents in iran and shortage of similar studies in this regards, this research was done to study the prevalence of color blindness in driver...

normal 0 false false false microsoftinternetexplorer4 background: war is a known cause of tremendous physical injuries to different body organs, and eyes are not exceptions. war-related no visual acuity (nva) affects both the victim and the family. activity of daily living (adl) can display personal life independency and is considered as a morbidity index. this study was designed to investigate...

River blindness (onchocerciasis) causes severe itching, skin lesions, and vision impairment including blindness. More than 99% of all current cases are found in sub-Saharan Africa. Fortunately, vector control and community-directed treatment with ivermectin have significantly reduced morbidity. Studies in Mali and Senegal proved the feasibility of elimination with ivermectin administration. The...