Which of the following is done for finding the prevalence of glaucoma and ARMD?

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