821. 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
822. Direct method of examining the fundus oculi or eyeground Subject(s): OphthalmologyEquipment and SuppliesPhysiciansWorld Health Organization
823. Examination of the retina with a binocular ophtalmoscope [i.e. ophthalmoscope] Subject(s): PhysiciansOphthalmologyEquipment and SuppliesWorld Health Organization
824. A recent method of diagnosing detachment of the retina by examining the eyeground with a three-mirror glass devised by Professor Goldman of Berne, Switzerland Subject(s): OphthalmologyEquipment and SuppliesWorld Health Organization
825. [A blind and deaf Chinese girl is learning to speak English] Subject(s): TeachingChildWorld Health Organization
826. Electro-retinogram: modern apparatus devised to measure the electric potential of the retina Subject(s): Equipment and SuppliesWorld Health Organization
827. 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
828. The saga of trachoma is a sad tale of warm climates, dirt, dust and flies Subject(s): ChildWorld Health Organization
829. One or two generations ago, people accepted blindness caused by trachoma as inevitable Subject(s): WomenChildWorld Health Organization
830. [Health worker registers villagers for trachoma treatment] Subject(s): World Health Organization