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Clinical outcomes of wavefront-guided laser in situ keratomileusis to treat moderate-to-high astigmatism

Overview of attention for article published in Clinical Ophthalmology, July 2015
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13 Mendeley
Title
Clinical outcomes of wavefront-guided laser in situ keratomileusis to treat moderate-to-high astigmatism
Published in
Clinical Ophthalmology, July 2015
DOI 10.2147/opth.s87887
Pubmed ID
Authors

Steven C Schallhorn, Jan A Venter, Stephen J Hannan, Keith A Hettinger

Abstract

The purpose of this study was to evaluate the refractive and visual outcomes of wavefront-guided laser in situ keratomileusis (LASIK) in eyes with myopic astigmatism and cylindrical component ≥2.0 diopter (D). In this retrospective study, 611 eyes that underwent LASIK for simple or compound myopic astigmatism were analyzed. Preoperative refractive cylinder ranged from -2.00 D to -6.00 D (mean -2.76±0.81 D), and the sphere was between 0.00 D and -9.75 D (mean -2.79±2.32 D). Predictability, visual outcomes, and vector analysis of changes in refractive astigmatism were evaluated. At 3 months after LASIK, 83.8% of eyes had uncorrected distance visual acuity of 20/20 or better, 90.3% had manifest spherical equivalent within ±0.50 D, and 79.1% had residual refractive cylinder within ±0.50 D of intended correction. The mean correction ratio for refractive cylinder was 0.92±0.14, the mean error of angle was -0.45°±2.99°, and the mean error vector was 0.37±0.38 D. A statistically significant correlation was found between the error of magnitude (arithmetic difference in the magnitudes between surgically induced refractive correction and intended refractive correction) and the intended refractive correction (r=0.26, P<0.01). Wavefront-guided LASIK for the correction of myopic astigmatism is safe, effective, and predictable.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 13 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Iraq 1 8%
Unknown 12 92%

Demographic breakdown

Readers by professional status Count As %
Student > Postgraduate 3 23%
Student > Master 3 23%
Researcher 2 15%
Professor > Associate Professor 1 8%
Student > Bachelor 1 8%
Other 0 0%
Unknown 3 23%
Readers by discipline Count As %
Medicine and Dentistry 5 38%
Nursing and Health Professions 2 15%
Engineering 1 8%
Unknown 5 38%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 14 July 2015.
All research outputs
#16,048,009
of 25,374,917 outputs
Outputs from Clinical Ophthalmology
#1,344
of 3,714 outputs
Outputs of similar age
#146,210
of 277,613 outputs
Outputs of similar age from Clinical Ophthalmology
#25
of 86 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. This one is in the 34th percentile – i.e., 34% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,714 research outputs from this source. They receive a mean Attention Score of 4.9. This one has gotten more attention than average, scoring higher than 58% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 277,613 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 44th percentile – i.e., 44% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 86 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 58% of its contemporaries.