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Clinical Trials/NCT06204926
NCT06204926RecruitingNot Applicable

Diagnostic Efficacy of Convolutional Neural Network Based Algorithm in Predicting Intraoperative Complications and Postoperative Outcomes in Small Incision Lenticule Extraction

Second Affiliated Hospital of Nanchang University1 site in 1 country1,250 target enrollmentStarted: June 15, 2021Last updated:
Interventions

Trial Snapshot

Phase
Not Applicable
Status
Recruiting
Sponsor
Enrollment
1,250
Locations
1
Primary Endpoint
AUROC of convolutional neural network in predicting progressive suction loss

Study Overview

Brief Summary

To evaluate the diagnostic efficiency of the neural network in predicting complications of Small Incision Lenticule Extraction in a multi-center cross-sectional study.

Detailed Description

The primary cause of global visual impairment currently is refractive error, and Small Incision Lenticule Extraction (SMILE) using femtosecond laser for corneal stromal lenticule extraction can alter the refractive power. However, complications such as opaque bubble layer (OBL), negative pressure detachment, and black spots may arise during the SMILE laser scanning process due to individual differences in corneal characteristics, significantly affecting the normal course of surgery and postoperative recovery. Experienced docters can often predict intraoperative complications based on scan images, patient cooperation, and other factors, but the learning curve is relatively long. At present, artificial intelligence has achieved the accuracy comparable to human physicians in the interpretation of medical imaging of many different diseases.Previously, we have trained a deep convolutional neural network for predicting intraoperative complications in SMILE procedures. The current multi-center study is designed to evaluate the efficacy of the convolutional neural network based algorithm in predicting intraoperative complications and to assess its utility in the real world.

Study Design

Study Type
Observational
Observational Model
Other
Time Perspective
Cross Sectional

Eligibility Criteria

Ages
18 Years to 45 Years (Adult)
Sex
All
Accepts Healthy Volunteers
Yes

Inclusion Criteria

  • A condition in which the spherical equivalent refractive error of an eye is ≤-0.50 D when ocular accommodation is relaxed;
  • Age ≥18 years;
  • Spherical equivalent (SE) ≥-10.0D;
  • Corrected distance visual acuity (CDVA) ≥16/20;
  • Stable myopia for at least 2 years;
  • No contact lenses wearing for at least 2 weeks.

Exclusion Criteria

  • The presence or history of eye conditions other than myopia and astigmatism, such as keratoconus or external eye injury;
  • A history of eye surgery;
  • The presence or history of systemic diseases.

Arms & Interventions

Eyes with SMILE surgeries

Eyes with SMILE surgeries which were performed by surgeons with experiences.

Intervention: AI diagnostic algorithm (Diagnostic Test)

Outcomes

Primary Outcomes

AUROC of convolutional neural network in predicting progressive suction loss

Time Frame: Day 0

The area under the receiver operating characteristic of convolutional neural network in predicting progressive suction loss during the SMILE surgeries

AUROC of convolutional neural network in predicting effective optical zone

Time Frame: Day 7

The area under the receiver operating characteristic of convolutional neural network in predicting effective optical zone after the SMILE surgeries

AUROC of convolutional neural network in predicting OBL area

Time Frame: Day 0

The area under the receiver operating characteristic of convolutional neural network in predicting opaque bubble layer area during the SMILE surgeries

AUROC of convolutional neural network in predicting postoperative refractive error

Time Frame: Day 7

The area under the receiver operating characteristic of convolutional neural network in predicting refractive error after the SMILE surgeries

AUROC of convolutional neural network in predicting postoperative central corneal thickness

Time Frame: Day 7

The area under the receiver operating characteristic of convolutional neural network in predicting central corneal thickness after the SMILE surgeries

Secondary Outcomes

  • Sensitivity and specificity of convolutional neural network in predicting OBL area(Day 0)
  • Sensitivity and specificity of convolutional neural network in predicting progressive suction loss(Day 0)
  • Sensitivity and specificity of convolutional neural network in predicting effective optical zone(Day 7, Day 30, Day 90)

Investigators

Sponsor
Second Affiliated Hospital of Nanchang University
Sponsor Class
Other
Responsible Party
Principal Investigator
Principal Investigator

Jian Xiong

Associate research fellow; Attending physician

Second Affiliated Hospital of Nanchang University

Study Sites (1)

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