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  • Title: Visual outcome and progression of retinopathy after cataract surgery in diabetic patients.
    Author: Chiu DW, Meusemann RA, Kaufman DV, Hall AJ, Daniell MD.
    Journal: Aust N Z J Ophthalmol; 1998 May; 26(2):129-33. PubMed ID: 9630293.
    Abstract:
    PURPOSE: Diabetes mellitus is a major cause of visual impairment in developed countries through retinopathy and is frequently complicated by cataract formation. The present study examines the visual outcome of cataract surgery in diabetic pat ents. METHODS: A retrospective study was performed over a 26 month period in a general hospital eye clinic. Eighty-five consecutive diabetic patients who underwent cataract surgery were categorized according to their type of diabetes, duration and treatment, operative technique, pre-operative visual acuity (VA) and degree of retinopathy. Visual acuity and retinopathy status were recorded at a minimum of 4 months postoperatively. Factors affecting visual outcome and progression of retinopathy were then examined. RESULTS: Of the 107 eyes of the 85 consecutive cases, 55 were without retinopathy (NR), 21 had background retinopathy (BDR), six had background retinopathy with macular oedema (BDR/MO), four had proliferative retinopathy and 12 cases had inadequate fundal view. In the NR and BDR groups, 90 and 81% of patients, respectively, had improved VA compared with 33% of patients with BDR/MO. Retinopathy progressed in 50% of BDR/MO patients compared with progression in 9 and 19% of NR and BDR patients, respectively. CONCLUSION: The present study illustrates the poor visual outcome in patients with severe, untreated retinopathy, particularly maculopathy, following cataract surgery. Larger prospective studies are needed to better define risk groups and pre-operative treatment strategies.
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