Analysis of Topographic Corneal Parameters

Analysis of Topographic Corneal Parameters in a Large Cohort of Corneal Refractive Surgery Candidates

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT06220578

Enrollment

2694

Registered

2024-01-24

Start date

2023-01-01

Completion date

2023-12-31

Last updated

2024-01-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cornea

Brief summary

The Pentacam HR system (OCULUS) has been suggested to be one of the most sensitive instruments for corneal examination before corneal refractive surgery

Detailed description

Retrospective non randomized study Analysis of different corneal paremeters obtained by Pentacam for corneal refractive surgery candidates during last 3 years from both sexes between 18 and 45 years K1 - K2 - K max - Pachymetry apex - Pachymetry thinnest - Distance between apex and thinnest - Back elevation - Topography shape - Keratoconus (If present)

Interventions

DEVICEOculus pentacam HR

Examination of corneal parameters by pentacam

Study design

Observational model

COHORT

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to 45 Years

Inclusion criteria

* Persons from both sexes between 18 and 45 years seeking corneal refractive surgery

Exclusion criteria

* Previous intraocular surgery * Previous corneal surgery * Corneal opacity

Design outcomes

Primary

Measure	Time frame	Description
corneal curvature	7 months	radii of curvature in diopters
corneal pachymetry	7 months	measured in microns

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026