The screening strategy for prevention of blindness from diabetic retinopathy according to the NPCB involves -: (A) Opportunistic screening, (B) High risk screening, (C) Mass screening, (D) Screening by Primary Care Physician
Answer is B. High risk screening is applied to the group which has increased risk of developing certain disease/cancer.
Diabetic retinopathy patients are at increased risk of developing blindness. Therefore, screening strategy for prevention of blindness from diabetic retinopathy is high risk screening.