Clear lens extraction for the management of primary angle closure glaucoma : surgical technique and refractive outcomes in the EAGLE cohort
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Background To describe the surgical technique and refractive outcomes following clear lens extraction (CLE) in the Effectiveness, in Angle-closure Glaucoma, of Lens Extraction trial. Methods Review of prospectively collected data from a multicentre, randomised controlled trial comparing CLE and laser peripheral iridotomy. Eligible participants were ≥50 years old and newly diagnosed with (1) primary angle closure (PAC) with intraocular pressure above 30 mm Hg or (2) PAC glaucoma. We report the postoperative corrected distance visual acuity (CDVA) and refractive outcomes at 12 and 36 months postoperatively for those who underwent CLE. Results Of the 419 participants, 208 were randomised to CLE. Mean baseline CDVA was 77.9 (SD 12.4) letters and did not change significantly at 36 months when mean CDVA was 79.9 (SD 10.9) letters. Mean preoperative spherical equivalents were +1.7 (SD 2.3) and +0.08 (SD 0.95) diopters (D) at 36 months. Fiftynine per cent and 85% eyes were within ±0.5D and ±1.0D of predicted refraction, respectively, at 36 months. Conclusions Mean CDVA in patients undergoing CLE for angle-closure glaucoma appeared stable over the 3-year study period. Refractive error was significantly reduced with surgery but refractive predictability was suboptimal.
Day , A C , Cooper , D , Burr , J , Foster , P J , Friedman , D S , Gazzard , G , Che-Hamzah , J , Aung , T , Ramsay , C R & Azuara-Blanco , A 2018 , ' Clear lens extraction for the management of primary angle closure glaucoma : surgical technique and refractive outcomes in the EAGLE cohort ' , British Journal of Ophthalmology , vol. 102 , no. 12 , pp. 1658-1662 . https://doi.org/10.1136/bjophthalmol-2017-311447
British Journal of Ophthalmology
© 2018 Article author (or their employer). Produced by BMJ Publishing Group Ltd under licence. This work has been made available online in accordance with the publisher’s policies. This is the author created accepted version manuscript following peer review and as such may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1136/bjophthalmol-2017-311447
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