The screening strategy for prevention of blindness from diabetic retinopathy according to the NPCB involves -
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.
Opportunistic screening
High risk screening
Mass screening
Screening by Primary Care Physician