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  • Title: First versus second eye intravitreal ranibizumab therapy for wet AMD.
    Author: Eldaly MA, Styles C.
    Journal: Retina; 2009 Mar; 29(3):325-8. PubMed ID: 19287289.
    Abstract:
    PURPOSE: To evaluate the short-term visual outcomes after intravitreal ranibizumab for wet age-related macular degeneration, when used in first eyes (good vision in the untreated eye) compared with second eyes (significant visual impairment in the untreated eye). METHODS: Seventy-five consecutive patients who received intravitreal ranibizumab injection were divided into Group A, comprising 35 first eyed patients and Group B, comprising 40 second eyes. Visual acuity and contrast sensitivity was compared before treatment, and 3 months after the 3rd injection. Results were compared at 95% confidence interval. RESULTS: Mean pretreatment logMar visual acuity was 0.86 (standard deviation 0.28) in Group A whereas Group B was 0.66 (standard deviation 0.36) (P = 0.007). Posttreatment the mean visual acuity in Group A was 0.63 (standard deviation 0.37) and in Group B was 0.44 (standard deviation 0.33) (P = 0.02). The mean numbers of letters gained per patient were 11.1 (Group A) and 10.6 (Group B). Half of all patients showed significant improvement of visual acuity (> or =15 letters gain). Contrast sensitivity significantly improved in both groups and was usually, but not always, associated with visual gain. CONCLUSION: Second eye patients tend to present to clinical diagnosis at a better visual acuity than first ones and subsequently have better chances for better posttreatment visual acuity. However, both groups have an equal chance of significant visual improvement.
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