A Study of a Novel Scheimpflug Device in Diagnosing Keratoconus

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Total Enrollment

200 participants

Study Classification

OBSERVATIONAL

Study Start Date

2023-05-04

Study Completion Date

2024-12-31

Brief Summary

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Comparison of the screening and diagnosis ability of the novel Scheimpflug-based tomography device (Scansys) with Pentacam and the Scheimpflug-based biomechanics device (Corvis ST) for keratoconus.

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Detailed Description

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Conditions

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Scansys Pentacam Corvis ST Keratoconus Subclinical Keratoconus

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Normal control group

Pentacam, Corvis ST and Scansys

Intervention Type OTHER

morphological and biomechanical parameters of corneal were obtain by Scansys, Pentacam and Corvis ST

Subclinical keratoconus

Pentacam, Corvis ST and Scansys

Intervention Type OTHER

morphological and biomechanical parameters of corneal were obtain by Scansys, Pentacam and Corvis ST

Keratoconus

Pentacam, Corvis ST and Scansys

Intervention Type OTHER

morphological and biomechanical parameters of corneal were obtain by Scansys, Pentacam and Corvis ST

Interventions

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Pentacam, Corvis ST and Scansys

morphological and biomechanical parameters of corneal were obtain by Scansys, Pentacam and Corvis ST

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Best corrected visual acuity (BCVA) ≥ 20/20;
* No other eye diseases except myopia and astigmatism;
* The cornea was transparent, and there was no cloud or pannus;

Exclusion Criteria

* The presence of ocular diseases other than myopia and keratoconus;
* Ocular trauma;
* Previous ocular surgery;
* Patients were required to stop wearing soft contact lenses for at least 2 weeks and rigid contact lenses for at least 4 weeks before examination;
* Pregnant and lactating women;

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes