Correlation between visual acuity and cognitive functions

Sivan M. Elyashiv, Esther L. Shabtai, Michael Belkin

Research output: Contribution to journalArticlepeer-review

Abstract

A possible association between visual acuity (VA) and dementia was investigated in 2716 subjects who were aged between 53 and 102 at first visit and had varying degrees of dementia. Better VA was found to be significantly correlated with a lower dementia level (person coefficient range 0.146-0.261 over 10 years of follow-up, all correlations are significant, p<0.0001) as well as with a higher global cognitive score (person coefficient range -0.254 to -0.318 over 10 years of follow-up, all correlations are significant, p<0.0001), a grade encompassing 19 different cognitive tests. This correlation remained significant after adjustment for age, years of education, gender, use of ophthalmic drugs and years of follow-up.

Original languageEnglish
Pages (from-to)129-132
Number of pages4
JournalBritish Journal of Ophthalmology
Volume98
Issue number1
DOIs
StatePublished - Jan 2014
Externally publishedYes

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