Reaction time as a measure of enhanced blue-light mediated cognitive function following cataract surgery

Conrad Schmoll, Christelle Tendo, Peter Aspinall, Baljean Dhillon

    Research output: Contribution to journalArticle

    13 Citations (Scopus)

    Abstract

    Since 2002 the discovery of a novel population of intrinsically photosensitive retinal ganglion cells, expressing the photopigment melanopsin, has attracted broad interest in human blue-light mediated non-visual effects including circadian regulation and cognitive function. Ageing is associated with insomnia and cognitive decline. It has been postulated that reduced blue-light transmission through the formation of cataract impairs melanopsin dependant non-visual brain responses mediated by intrinsically photosensitive retinal ganglion cells. We aimed to establish if any objective improvement in cognition could be demonstrated using a reaction time task (RTT) following cataract surgery and intraocular lens implantation.
    Original languageEnglish
    Pages (from-to)1656-9
    Number of pages4
    JournalBritish Journal of Ophthalmology
    Volume95
    Issue number12
    DOIs
    Publication statusPublished - 2011

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