Assessment of cataract surgical outcomes in settings where follow-up is poor: PRECOG, a multicentre observational study
Nathan Congdon, Xixi Yan, Van Lansingh, Alemayehu Sisay, Andreas Mueller, Ving Chan, Ling Jin, Mirjam E Meltzer, Sasipriya M Karumanchi, Chunhong Guan, Vuong Quy, Nelson Rivera, Joan McCleod-Omawale, Mingguang He
The Lancet Global Health | ELSEVIER SCI LTD | Published : 2013
BACKGROUND: Poor follow-up after cataract surgery in developing countries makes assessment of operative quality uncertain. We aimed to assess two strategies to measure visual outcome: recording the visual acuity of all patients 3 or fewer days postoperatively (early postoperative assessment), and recording that of only those patients who returned for the final follow-up examination after 40 or more days without additional prompting. METHODS: Each of 40 centres in ten countries in Asia, Africa, and Latin America recruited 40-120 consecutive surgical cataract patients. Operative-eye best-corrected visual acuity and uncorrected visual acuity were recorded before surgery, 3 or fewer days postope..View full abstract
ORBIS International, Fred Hollows Foundation, Helen Keller International, International Association for the Prevention of Blindness Latin American Office, Aravind Eye Care System.