Editing Diabetic retinopathy (section)

===Blood pressure control===
A [[Cochrane (organisation)|Cochrane review]] examined 29 randomized controlled trials to determine whether interventions that sought to control or reduce blood pressure in diabetics had any effects of diabetic retinopathy.<ref name=":5">{{cite journal | vauthors = Do DV, Han G, Abariga SA, Sleilati G, Vedula SS, Hawkins BS | title = Blood pressure control for diabetic retinopathy | journal = The Cochrane Database of Systematic Reviews | volume = 2023 | issue = 3 | pages = CD006127 | date = March 2023 | pmid = 36975019 | pmc = 10049880 | doi = 10.1002/14651858.CD006127.pub3 }}</ref> While the results showed that interventions to control or reduce blood pressure prevented diabetic retinopathy for up to 4–5 years in diabetics, there was no evidence of any effect of these interventions on progression of diabetic retinopathy, preservation of visual acuity, adverse events, quality of life, and costs.<ref name=":5" />