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Enhanced Text Spacing Improves Reading Performance in Individuals with Macular Disease

Overview of attention for article published in PLOS ONE, November 2013
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Title
Enhanced Text Spacing Improves Reading Performance in Individuals with Macular Disease
Published in
PLOS ONE, November 2013
DOI 10.1371/journal.pone.0080325
Pubmed ID
Authors

Sally Blackmore-Wright, Mark A. Georgeson, Stephen J. Anderson

Abstract

The search by many investigators for a solution to the reading problems encountered by individuals with no central vision has been long and, to date, not very fruitful. Most textual manipulations, including font size, have led to only modest gains in reading speed. Previous work on spatial integrative properties of peripheral retina suggests that 'visual crowding' may be a major factor contributing to inefficient reading. Crowding refers to the fact that juxtaposed targets viewed eccentrically may be difficult to identify. The purpose of this study was to assess the combined effects of line spacing and word spacing on the ability of individuals with age-related macular degeneration (ARMD) to read short passages of text that were printed with either high (87.5%) or low contrast (17.5%) letters. Low contrast text was used to avoid potential ceiling effects and to mimic a possible reduction in letter contrast with light scatter from media opacities. For both low and high contrast text, the fastest reading speeds we measured were for passages of text with double line and double word spacing. In comparison with standard single spacing, double word/line spacing increased reading speed by approximately 26% with high contrast text (p < 0.001), and by 46% with low contrast text (p < 0.001). In addition, double line/word spacing more than halved the number of reading errors obtained with single spaced text. We compare our results with previous reading studies on ARMD patients, and conclude that crowding is detrimental to reading and that its effects can be reduced with enhanced text spacing. Spacing is particularly important when the contrast of the text is reduced, as may occur with intraocular light scatter or poor viewing conditions. We recommend that macular disease patients should employ double line spacing and double-character word spacing to maximize their reading efficiency.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 72 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Italy 1 1%
Norway 1 1%
Canada 1 1%
Unknown 69 96%

Demographic breakdown

Readers by professional status Count As %
Student > Master 13 18%
Student > Bachelor 12 17%
Student > Ph. D. Student 9 13%
Researcher 6 8%
Unspecified 4 6%
Other 16 22%
Unknown 12 17%
Readers by discipline Count As %
Medicine and Dentistry 13 18%
Psychology 11 15%
Nursing and Health Professions 6 8%
Unspecified 4 6%
Agricultural and Biological Sciences 3 4%
Other 20 28%
Unknown 15 21%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 11 November 2013.
All research outputs
#18,353,475
of 22,729,647 outputs
Outputs from PLOS ONE
#154,253
of 194,027 outputs
Outputs of similar age
#158,364
of 212,947 outputs
Outputs of similar age from PLOS ONE
#3,850
of 5,143 outputs
Altmetric has tracked 22,729,647 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 194,027 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 15.1. This one is in the 10th percentile – i.e., 10% of its peers scored the same or lower than it.
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We're also able to compare this research output to 5,143 others from the same source and published within six weeks on either side of this one. This one is in the 13th percentile – i.e., 13% of its contemporaries scored the same or lower than it.