<prompt> Which of the following is done for finding the prevalence of glaucoma and ARMD?Mass screeningHigh Risk screeningSentinel surveyRAAB survey  <response>: High risk screening is done for assessment of blindness MC cause of Ocular Morbidity- Refractive error. MC cause of Blindness- Cataract No. of cataract surgeries that lead to sight restoration is the output indicator of cataract surgery. High Risk Survey are done to screen Diabetic Retinopathy Glaucoma Sentinel survey are done to note post operative cataract surgery results. Ratio of Ophthalmologists that is ideal- 1:50,000 Ratio of MLOA - 1:50,000 