Mr . De Valere , Threatened With Blindness , Leaves London To Receive Treatment In Zurich Mr . Eamon de Valera , President of the Irish Free State Executive Council , left Victoria Station , London , for Zurich , where he is to consult an eye specialist . Mr . de Valera , who is suffering from a dangerous form of eyestrain similar to that which troubled Mr . Ramsey Macdonald , has been warned that unless he submits to immediate treatment he may go blind . Photo shows : Mr Eamon de Valera leaving his London hotel with Mr . Dulanty , High Comissioner for the Irish Free State 24 Mar 1936 *** Local Caption ***