A Study of a Novel Scheimpflug Device in Diagnosing Keratoconus

Tianjin Eye Hospital

Status

Active, not recruiting

Conditions

Keratoconus

Corvis ST

Scansys

Pentacam

Subclinical Keratoconus

Treatments

Other: Pentacam, Corvis ST and Scansys

Study type

Observational

Funder types

Other

Identifiers

NCT06119321

KY2023026

Details and patient eligibility

About

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.

Enrollment

200 patients

Sex

All

Volunteers

Accepts Healthy Volunteers

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;