07:54Radio 4 AppealMacular SocietyBBC Radio 4 Duration: 4 minutes Sun 25th Jun 2017, 07:54 on BBC Radio 4 LWAvailable for over a yearListen nowHenry Blofeld makes the Radio 4 Appeal on behalf of the Macular Society. Show more GenresFactualFormatsAppealsBrandRadio 4 Appeal Source: BBC Online