Table 1.

Prevalence of diabetic retinopathy among known people with diabetes in India (2015-2020)

Area; Year	Sample; Age	Modality	Prevalence any DR*	Prevalence VTDR**
Mumbai urban slums (2017)[10]	6462; ≥40 years	Fundus Photography	15.4%	6.6%
Nationwide (2015-19)[11]	85,135; ≥50 years	Indirect Ophthalmoscopy	16.9%	NA
Pune urban (2017)[12]	3527; ≥50 years	Indirect Ophthalmoscopy	14.3%	NA
Tamil Nadu rural (2016)[13]	1190; ≥40 years	Fundus photography	10%	NA
Bihar rural (2016)[14]	3189; ≥50 years	Indirect Ophthalmoscopy	15%	6%
Delhi slums (2016)[15]	11566; ≥40 years	Fundus Photography	13.5%	NA

*DR: Diabetic Retinopathy; **VTDR: Vision Threatening Diabetic Retinopathy