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Repeatability of primary selective laser trabeculoplasty in patients with primary open-angle glaucoma

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Abstract

To determine if primary selective laser trabeculoplasty (SLT) can be repeated with clinical benefit in patients with primary open-angle glaucoma (POAG). Forty-two eyes of 42 patients with POAG were studied. All patients underwent primary SLT treatment of 40–50 shots to the trabecular meshwork over 360°. The treatment response at the initial post-SLT visit (4 weeks), and second post-SLT visit (mean 4 months), clinical success and duration of clinical success were measured. SLT was repeated in all patients after failure to maintain target intraocular pressure (IOP). The same parameters were measured after repeat SLT. The main outcome measures were success of treatment (as defined by reduction of IOP by at least 20 % and below an individually determined target pressure), duration of treatment success and reduction in IOP. No significant difference between initial and repeat treatments was found for mean reduction in IOP or success rate, or duration of success. Survival analysis found significantly longer benefit for repeat treatment compared to initial treatment (P < 0.01). Repeat SLT treatment in eyes with POAG has similar efficacy to primary SLT treatment with respect to reduction in IOP and success rates, produces a longer duration of treatment success.

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Acknowledgments

No funding was received for the purposes of this study.

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Authors and Affiliations

  1. Capital Eye Specialists, 148 Cuba, Street, Te Aro, Wellington, 6011, New Zealand

    Neil Avery, Ghee Soon Ang, Simon Nicholas & Anthony Wells

  2. Wellington Hospital, Newtown, Wellington, 6021, New Zealand

    Neil Avery

Authors
  1. Neil Avery
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  2. Ghee Soon Ang
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  3. Simon Nicholas
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  4. Anthony Wells
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Corresponding author

Correspondence to Neil Avery.

Additional information

This study has been approved by the appropriate ethics committee.

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Avery, N., Ang, G.S., Nicholas, S. et al. Repeatability of primary selective laser trabeculoplasty in patients with primary open-angle glaucoma. Int Ophthalmol 33, 501–506 (2013). https://doi.org/10.1007/s10792-013-9729-3

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  • DOI: https://doi.org/10.1007/s10792-013-9729-3

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