Evidence map›Paper›PMID 30858493›Full record

Trial reportScientific reports2019

A Multicenter Study on Early Outcomes of Small-Incision Lenticule Extraction for Myopia.

Kazutaka Kamiya, Masahide Takahashi, Tomoaki Nakamura, Takashi Kojima, Ikuko Toda, Maro Kariya

Open access · goldAbstract readClinical TrialMulticenter Study
In one paragraph

Trial report in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
2.2field-weighted citation impact, top 13% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed, 21 citations in OpenAlex.

  1. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 3 institutions in 1 country.

Kazutaka KamiyaSchool of Allied Health Sciences, Kitasato University, Kanagawa, Japan. kamiyak-tky@umin.ac.jp.
Masahide TakahashiDepartment of Ophthalmology, University of Kitasato School of Medicine, Kanagawa, Japan.
Tomoaki NakamuraNagoya Eye Clinic, Department of Ophthalmology, Aichi, Japan.
Takashi KojimaKeio University, Tokyo, Japan.
Ikuko TodaMinami Aoyama Eye Clinic, Tokyo, Japan.
Maro KariyaShinjuku Kinshi Clinic, Tokyo, Japan.
Kitasato University · JPMinamiaoyama Eye Clinic · JPKeio University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study was aimed to investigate the early clinical outcomes of small-incision lenticule extraction (SMILE) to correct both myopia and myopic astigmatism at major clinical centers in Japan. This case series consisted of two hundred fifty-two eyes of 130 consecutive patients who underwent SMILE surgery (29.5 ± 6.3 years, mean age ± standard deviation), with spherical equivalents of -4.33 ± 1.61 D. We determined the safety, efficacy, predictability, stability, and adverse events of this procedure. Corrected distance visual acuity significantly improved, from -0.18 ± 0.04 preoperatively to -0.19 ± 0.07 logMAR postoperatively (paired t-test, p < 0.001). Uncorrected distance visual acuity also significantly improved, from 1.05 ± 0.26 preoperatively to -0.15 ± 0.11 logMAR postoperatively (p < 0.001). 88% and 98% of eyes were within ± 0.5 and 1.0 D of the targeted correction, respectively. Changes in manifest spherical equivalent from 1 week postoperatively were 0.02 ± 0.35 D (p = 0.127). No vision-threatening complications were observed in any of the cases. SMILE performed well in the correction of myopic refractive errors, and we experienced no severe complications in this series, indicating its feasibility as a surgical option for the treatment of these eyes.

Indexed as

Surgical WoundAdultAstigmatismCorneaCorneal StromaCorneal TopographyFemaleHumansJapanLasers, ExcimerMaleMyopiaTreatment OutcomeVisual Acuity

Identifiers

PMID30858493
PMCPMC6411974
OpenAlexW2921047351

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.