Abdelsalam A. Mohamed

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BACKGROUND An epidemic of bilateral optic neuropathy is affecting large numbers of people aged between 10 and 40 in Dar es Salaam, the capital city of Tanzania. The disease is characterised by acute onset of bilateral visual impairment, bilateral impairment of colour vision, and a characteristic temporal pallor of the optic discs. The disease often occurs(More)
BACKGROUND Trachoma is a leading cause of blindness in the developing world and is most prevalent among people who live in poor rural communities in arid locations. METHODS We analysed the results of surveys of trachoma prevalence in Marakissa, a rural village in The Gambia. These surveys were undertaken in 1959, by the Medical Research Council, and in(More)
AIM To re-survey the Gambia after an interval of 10 years to assess the impact of a national eye care programme (NECP) on the prevalence of blindness and low vision. METHOD Comparison of two multistage cluster random sample surveys taking into account the marked increase in population in the Gambia, west Africa. Samples of the whole population in 1986 and(More)
Abstarct: Heat stress becomes a problem in different parts of the world and recently was considered as a threat to apiculture. Many countries suffer from extreme heat during certain periods of the year. There is a great diversity in the weather of Saudi Arabia throughout the year but the most extreme conditions occur during the summer season, when(More)
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