<prompt> According to Vision 2020, the recommendations for secondary care services including cataract surgery is:1 service center for 5000 population1 service center for 50,000 population1 service center for 5,00,000 population1 service center for 50,00,000 population  <response>: Ans. c. 1 service center for 5,00,000 population Ref: Khurana 5e p484 4454According to Vision 2020, the recommendations for secondary care sendees including cataract surgery is 1 service center for 5,00,000 population.There is need to develop 2000 service centres at secondary level. Each with 2 Ophthalmologist and 8 paramedics Hospital based MLOP, and one eye care manager covering a population of 5 lacs.Vision 2020: The Right to SightVision 2020: The Right to Sight, is a global initiative launched by WHO in 1999 in a broad coalition with a Task Force of International Non-Governmental Organizations NGOs to combat the gigantic problem of blindness in the world.Objective of Vision 2020:To eliminate avoidable blindness by the year 2020 and to reduce the global burden of blindnessQGovernment of India has adopted Vision 2020: Right to Sight under National Programme for Control of Blindness.Infrastructure Pyramid Based on WHO RecommendationsPrimary level Vision Centres:There is need to develop 20,000 vision centresQEach with one Ophthalmic Assistant or equivalent Community based MLOPCovering population of 50,000QService Centres:There is need to develop 2000 service centres at secondary levelQEach with 2 Ophthalmologist and 8 paramedics Hospital based MLOP, and one eye care managerCovering a population of 5 lacsQTraining Centres:There is need to develop 200 Training Centres for the training of OphthalmologistQCovering population of 50 lacsQCentre of Excellence COE:There is need to develop 20 COE with well developed all subspecialties of OphthalmologyQ.Covering a population of 5 croreQBasic Strategies Linder Vision 2020:Disease prevention and controlTraining of personnelStrengthening the existing eye care infrastructureUse of appropriate and affordable technologyMobilization of resourcesGlobal Vision 2020 5 diseasesQIndian Vision 2020 7 diseasesQ Cataract Refractive errors and low vision Childhood blindness Trachoma Onchocerciasis Cataract Refractive errors and low vision Childhood blindness Trachoma Focal Glaucoma Diabetic retinopathy Corneal blindness 