1. Stratton I, Kohner E, Aldington S, Turner R, Holman R, Manley S, et al. UKPDS 50: risk factors for incidence and progression of retinopathy in type II diabetes over 6 years from diagnosis. Diabetologia. 2001;44(2):156-63.PMID: 11270671DOI: 10.1007/s001250051594
2. Antwi-Bafour S, Hammond S,Adjei JK, Kyeremeh R, Martin-Odoom A, Ekem I. A case–control study of prevalence of anemia among patients with type 2 diabetes. J Med Case Rep. 2016;10(1):110.PMID: 27142617DOI: 10.1186/s13256-016-0889-4
3. Gedebjerg A, Almdal TP, Berencsi K, Rungby J, Nielsen JS, Witte DR, et al.Prevalence of micro-and macrovascular diabetes complications at time of type 2 diabetes diagnosis and associated clinical characteristics: a cross-sectional baseline study of 6958 patients in the Danish DD2 cohort. J Diabetes Complications. 2018;32(1):34-40.PMID: 29107454DOI: 10.1016/j.jdiacomp.2017.09.010
4. Rees G, Xie J, Fenwick EK, Sturrock BA, Finger R, Rogers SL, et al. Association between diabetes-related eye complications and symptoms of anxiety and depression. JAMA Ophthalmol. 2016;134(9):1007-14.PMID: 27387297DOI: 10.1001/jamaophthalmol.2016.2213
5. Kobrin Klein BE. Overview of epidemiologic studies of diabetic retinopathy. Ophthalmic Epidemiol. 2007;14(4):179-83.PMID: 17896294DOI: 10.1080/09286580701396720
6. Romero-Aroca P. Managing diabetic macular edema: the leading cause of diabetes blindness. World J Diabetes. 2011;2(6):98-104. PMID: 21860693DOI: 10.4239/wjd.v2.i6.98
7. Lee R, Wong TY, Sabanayagam C. Epidemiology of diabetic retinopathy, diabetic macular edema and related vision loss. Eye Vis(Lond). 2015;2:17.PMID: 26605370DOI: 10.1186/s40662-015-0026-2
8. Lamoureux EL, Tai ES, Thumboo J, Kawasaki R, Saw SM, Mitchell P, et al. Impact of diabetic retinopathy on vision-specific function. Ophthalmology. 2010;117(4):757-65.PMID: 20122736DOI: 10.1016/j.ophtha.2009.09.035
9. Mohammadnezhad R, Azmodeh M, Tabatabaee S, Hosseini Nasab S. Comparison of active memory, inhibition of response and dimensions of nature and character in patients with type 2 diabetic retinopathy and normal counterparts in Tabriz. Armaghane Danesh. 2020;25(2):368-80. [Persian]
10. Noroozinejad GH, Boustani H, Neamat PS, Behrouzian F. Comparison of depression among diabetic and non-diabetic patients. Jundishapur Sci Med J. 2006;5(1):385-91.
11. Grandinetti A, Kaholokula JK, Crabbe KM, Kenui CK, Chen R, Chang HK. Relationshipbetween depressive symptoms and diabetes among native Hawaiians. Psychoneuroen-docrinology. 2000;25(3):239-46.PMID: 10737695DOI: 10.1016/s0306-4530(99)00047-5
12. Bădescu S, Tătaru C, Kobylinska L, Georgescu E, Zahiu D, Zăgrean A, et al. The association between diabetes mellitus and depression. J Med Life. 2016;9(2):120-5.PMID: 27453739
13. Chen X, Lu L. Depression in diabetic retinopathy: a review and recommendation for psychiatric management. Psychosomatics. 2016;57(5):465-71.PMID: 27380941DOI: 10.1016/j.psym.2016.04.003
14. Salinero-Fort MA, Gómez-Campelo P, San Andrés-Rebollo FJ, Cárdenas-Valladolid J, Abánades-Herranz JC, Carrillo de Santa Pau E, et al. Prevalence of depression in patients with type 2 diabetes mellitus in Spain (the DIADEMA Study): results from the MADIABETES cohort. BMJ Open. 2018;8(9):e020768.PMID: 30249627DOI: 10.1136/bmjopen-2017-020768
15. Olson D, Le P, Vu T, Van Buren E, Lin FC, Zhang A. Association between anxiety, depression, and severity of diabetic retinopathy. Invest Ophthalmol Vis Sci. 2020;61(7):3836. DOI: 10.1167/iovs.18-26108
16. Ahmed M, Gad M, Al-Adlany M. Cognitive impairment and depression in patients with diabetic retinopathy. Egypt J Psychiatry. 2020;41(1):1.DOI: 10.4103/ejpsy.ejpsy_13_19
17. Bao Y, Cope S, Gaddis M, Drees B. Prevalence and predictors of depression in patients with diabetic retinopathy in a nationally representative sample. Invest Ophthalmol Vis Sci. 2020;61(7):1902.
18. Abu Ameerh MA, Hamad GI. The prevalence of depressive symptoms and related risk factors among diabetic patients with retinopathy attending the Jordan University Hospital. Eur J Ophthalmol. 2020;22:1120672120912691.PMID: 32202144DOI: 10.1177/1120672120912691
19. Urrutia-Aliano D, Segura ER. Depressive symptoms and type 2 diabetes mellitus in outpatients of an Armed Forces hospital in Lima, Peru, 2012: a cross-sectional study. Medwave. 2016;16(3):e6435. PMID: 27144926DOI: 10.5867/medwave.2016.03.6435
20. Hirai FE, Tielsch JM, Klein BE, Klein R. Relationship between retinopathy severity, visual impairment and depression in persons with long-term type1 diabetes. Ophthalmic Epidemiol. 2012;19(4):196-203.PMID: 22775274DOI:10.3109/09286586.2012.692006
21. Larijani B, Bayat M, Gorgani M, Bandarian F, Akhondzade S, Sadjadi S. Association between depression and diabetes. German J Psychiatry. 2004;7(3):62-5.
22. Roy MS, Roy A, Affouf M. Depression is a risk factor for poor glycemic control and retinopathy in African-Americans with type 1 diabetes. Psychosom Med. 2007;69(6):537-42. PMID: 17634567DOI: 10.1097/PSY.0b013e3180df84e2
23. Sieu N, Katon W, Lin EH, Russo J, Ludman E, Ciechanowski P. Depression and incident diabetic retinopathy: a prospective cohort study. Gen Hosp Psychiatry. 2011;33(5):429-35. PMID: 21762993DOI: 10.1016/j.genhosppsych.2011.05.021