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Abstract #82161 Published in IGR 20-4

Seeking a practical definition of stable glaucoma: a Delphi consensus survey of UK glaucoma consultants

Lakhani BK; Giannouladis K; Leighton P; King AJ
Eye 2020; 34: 335-343


BACKGROUND: To generate a practical and clinically useful consensus definition of 'stable glaucoma' to aid provision of glaucoma services in the UK and to provide guidance for the criteria that should be used for monitoring of glaucoma patients in primary care services. METHODS: A Delphi exercise was undertaken to derive consensus through an online questionnaire. Participants were asked to score their strength of agreement for a series of clinical parameters. Results and comments from each round were used to inform subsequent rounds. A total of 3 rounds were undertaken. RESULTS: Thirty-two glaucoma experts participated in the study with over 90% completion rate achieved over three rounds. The consensus was reached for the following parameters: IOP levels to be used for defining stability, visual field-testing techniques to define stability, the number of medication changes acceptable to define stability and the number of treatment medications allowed to define stability. No consensus was reached on the period of time over which stability was defined, however, there was considerable agreement that longer durations of follow up (36-48 months) were required. A combination of optic disc photos and ocular coherence topography (OCT) retinal nerve fibre layer (RNFL) assessment/ OCT disc structural evaluation are the preferred imaging methods for the assessment of structural stability. Oversight by a glaucoma consultant was considered important for glaucoma monitoring schemes. CONCLUSION: The consensus definition of glaucoma stability generated through this Delphi exercise provides guidance for allocation of patients suitable for monitoring in primary care glaucoma monitoring schemes.

Department of Ophthalmology, Nottingham University Hospital, Derby Rd, Nottingham, NG7 2UH, UK. bansrilakhani11@gmail.com.

Full article

Classification:

15 Miscellaneous
6.20 Progression (Part of: 6 Clinical examination methods)



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