Comparative outcomes of selective laser trabeculoplasty delivered by optometrists compared with ophthalmologists: A UK-based multicentre observational study


Lee, CN ORCID: 0000-0002-8014-3903, Delaney, A ORCID: 0000-0001-6562-906X, Richardson, JAL ORCID: 0000-0002-3602-7155, Freeman, G, Gunn, PJG, Harthan, S, Dubois, V, Yau, K, Hemmerdinger, C, Harper, R et al (show 1 more authors) (2024) Comparative outcomes of selective laser trabeculoplasty delivered by optometrists compared with ophthalmologists: A UK-based multicentre observational study BMJ Open Ophthalmology, 9 (1). e001870-. ISSN 2397-3269, 2397-3269

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Abstract

Background Selective laser trabeculoplasty (SLT), a National Institute for Care and Health Excellence recommended first-line treatment for open-angle glaucoma and ocular hypertension, is increasingly delivered by optometrists. This retrospective multicentre observational study evaluates real-world outcomes of SLT comparing optometrist-treated to ophthalmologist-treated eyes. Methods Adults aged ≥40 years receiving first SLT treatment at three UK hospital eye units (Aintree, Manchester, Macclesfield) between 1 August 2018 and 1 August 2021 were analysed using anonymised local audit data. Outcomes included intraocular pressure (IOP), visual acuity (VA), drop burden, complications including post-SLT IOP spikes, and composite treatment failures including repeat laser or glaucoma surgery, evaluated at 6-monthly intervals up to 24 months. Groups were compared with parametric and non-parametric tests, accounting for intereye correlation, and Kaplan-Meier survival analysis using composite treatment failure endpoints was conducted. Results 207 eyes (131 patients) were analysed, 84 (56 patients) optometrist-treated eyes compared with 123 ophthalmologist-treated eyes (75 patients). No statistically significant differences (p>0.05) were found in change in VA, IOP or glaucoma drops from pre-SLT baseline between optometrist and ophthalmologist-treated eyes, at all time points. More cataracts were detected in optometrist-treated eyes, however, this did not affect differences in VA or cataract surgery frequency. More optometrist-treated eyes underwent glaucoma surgery, however, ophthalmologist-treated eyes had higher drop burden and chance of composite treatment failure up to month 18. Conclusion Outcomes of SLT treatment by optometrists and ophthalmologists are comparable up to 24 months post-treatment. Ophthalmologist-treated eyes may have had more aggressive eye-drop treatment, preventing the need for surgery.

Item Type: Article
Uncontrolled Keywords: Glaucoma, Treatment Lasers, Intraocular pressure
Divisions: Faculty of Health & Life Sciences
Faculty of Health & Life Sciences > Inst. Life Courses & Medical Sciences
Depositing User: Symplectic Admin
Date Deposited: 25 Oct 2024 13:19
Last Modified: 28 Feb 2026 10:30
DOI: 10.1136/bmjophth-2024-001870
Open Access URL: https://bmjophth.bmj.com/content/9/1/e001870
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URI: https://livrepository.liverpool.ac.uk/id/eprint/3186245
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