Impact of the Ability to Divide Attention on Reading Performance in Glaucoma.
Bonnielin K Swenor, Varshini Varadaraj, Paulomi Dave, Sheila K West, Gary S Rubin, Pradeep Y Ramulu
Summary
Decreased ability to divide attention, indicated by lower BTA scores, is associated with slower reading speeds in glaucoma with reduced CS and VF defects.
Abstract
PURPOSE
To determine if the ability to divide attention affects the relationship between glaucoma-related vision loss and reading speed.
METHODS
Better eye mean deviation (MD), contrast sensitivity (CS), and better-eye distance visual acuity (VA) were measured in 28 participants with glaucoma and 21 controls. Reading speeds were assessed using MNRead, IRest, and sustained silent reading tests (words per minute, wpm). The ability to divide attention was measured using the Brief Test of Attention (BTA; scored 0-10). Multivariable linear regression models were used to determine the relationship between visual factors and reading speeds. Effect modification by BTA score (low
BTA
0.1 for all).
CONCLUSIONS
Decreased ability to divide attention, indicated by lower BTA scores, is associated with slower reading speeds in glaucoma with reduced CS and VF defects.
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