Shopping with glaucoma. Quantifying the impact of mild glaucomatous visual field loss using a virtual reality supermarket.
Reddingius, P. F.; Crabb, D. P.; Jones, P. R.
Show abstract
Conventional assays (questionnaires, acuity, visual fields) may be insufficient to assess the real-world impact of new glaucoma treatments. Here, we report a novel virtual reality shopping task, and assess its sensitivity to differences in mild visual field loss. Eight glaucoma patients were asked to freely navigate a virtual grocery store and place items from a shopping list into a trolley. Across a range of metrics (time, head/body movements), performance was associated with variations in binocular visual field loss [r238=0.35, P<.001]. This indicates promise for using virtual reality tasks to evaluate the benefits of new treatments. Improvements and use-cases are discussed. ONLINE ONLY SUPPLEMENTARY MATERIALThe article contains supplementary material which will be provided as a single stand-alone PDF document.
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