<prompt> Who is the chairman of district blindness control society?District collectorProgramme managerDistrict health officerDistrict eye surgeon  <response>: Ans. a. District collector Ref: Park 23e p439, 22e p406; collector is the chairman of district blindness control society.District Blindness Control Society has been established under the chairmanship of District CollectorDeputy Commissioner. Park 23e p439District Blindness Control SocietyChairmanDistrict CollectorVice-ChairmanDeputy Director of Health ServicesMember SecretaryChief Ophthalmic Surgeon andDistrict Programme ManagerTechnical AdviserDistrict Ophthalmic Surgeon 