31. Eye position tests for the early detection of squints take place regularly in primary schools in Switzerland. Other tests are perfromed in secondary schools Subject(s): ChildWorld Health Organization
32. [A blind and deaf Chinese girl is learning to speak English] Subject(s): TeachingChildWorld Health Organization
33. This young Indian girl's face reflects the suffering caused by trachoma. Some two million are estimated to be blinf as a reuslt of this eye disease Subject(s): ChildWorld Health Organization
34. The saga of trachoma is a sad tale of warm climates, dirt, dust and flies Subject(s): ChildWorld Health Organization
35. One or two generations ago, people accepted blindness caused by trachoma as inevitable Subject(s): WomenChildWorld Health Organization
36. The saga of trachoma is a sad tale of dirt, dust, warm climates and flies Subject(s): ChildWorld Health Organization
37. Two members of the pupils' "Health Committee" in an Egyptian school. They are preparing the antseptics and absorbant cotton for the anti-trachoma treatment Subject(s): ChildHealth EducationHealth PromotionWorld Health Organization.
39. This man being led through a village in Upper Volta is blind as a result of river blindness - onchocerciasis - and nearly 60 per cent of the people in his village suffer from this disease Subject(s): ChildWorld Health Organization
40. One of the telltale sings of onchocerciasis is the fibrous nodule which forms under the victim's skin. This child of two already has such a nodule on his head Subject(s): MothersMother-Child RelationsChildWorld Health Organization