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OpenTrials
Completed

NCT Number: NCT04083742

The Heidelberg Engineering ANTERION Anterior Segment Metrics Precision and Agreement Study

This is a prospective clinical study that will be conducted at one clinical site located in the United States to assess anterior segment metrics with the ANTERION

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Key information

Age range

22 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

State University of New York College of Optometry

New York, 10036, United States

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age 22 years or older
  • Able and willing to undergo the test procedures, sign informed consent, and follow instructions
  • Able to fixate
  • With at least one of following eye status for the corresponding eye population:

A. Eye with Open Angle (defined by Spaeth gonioscopy grading)

B. Eye with Narrow Angle (defined by Spaeth gonioscopy grading)

Exclusion criteria

  • Subjects which were enrolled in the B-2018-1 study
  • Active infection or inflammation in either eye
  • Insufficient tear film or corneal reflex
  • Physical inability to be properly positioned at the study devices or eye exam equipment
  • Rigid contact lens wear during 2 weeks prior to day when study device acquisitions take place
  • Soft lenses worn within one hour prior to study device acquisitions

Treatment and study plan

ANTERION

Device

3 repeat angle measurements performed on each of the 3 Anterion devices and the 3 reference devices

Primary outcomes

  1. Repeatability and Reproducibility 1

    Time frame: 1 day

    Reproducibility and repeatability of Spur to Spur distance parameter [mm] of ANTERION and the reference device

  2. Repeatability and Reproducibility 2

    Time frame: 1 day

    Reproducibility and repeatability of Angle to Angle distance parameter [mm] of ANTERION and the reference device

  3. Repeatability and Reproducibility 3

    Time frame: 1 day

    Reproducibility and repeatability of Lens Vault parameter [µm] of ANTERION and the reference device

  4. Repeatability and Reproducibility 4

    Time frame: 1 day

    Reproducibility and repeatability of Anterior Segment Angles parameter [°] of ANTERION and the reference device

  5. Repeatability and Reproducibility 5

    Time frame: 1 day

    Reproducibility and repeatability of TISA parameters [mm2] of ANTERION and the reference device

  6. Repeatability and Reproducibility 6

    Time frame: 1 day

    Reproducibility and repeatability of AOD parameters [µm] of ANTERION and the reference device

  7. Agreement 1

    Time frame: 1 day

    Agreement of Spur to Spur distance parameter [mm] between the ANTERION and the reference device

  8. Agreement 2

    Time frame: 1 day

    Agreement of Angle to Angle distance parameter [mm] between the ANTERION and the reference device

  9. Agreement 3

    Time frame: 1 day

    Agreement of Lens Vault parameter [µm] between the ANTERION and the reference device

  10. Agreement 4

    Time frame: 1 day

    Agreement of Anterior Segment Angles parameter [°] between the ANTERION and the reference device

  11. Agreement 5

    Time frame: 1 day

    Agreement of TISA parameters [mm2] between the ANTERION and the reference device

  12. Agreement 6

    Time frame: 1 day

    Agreement of AOD parameters [µm] between the ANTERION and the reference device

Secondary outcomes

  1. Adverse Events Rate

    Time frame: 1 day

    Adverse events found during the clinical study

Sponsors and collaborators

Lead sponsor

Heidelberg Engineering GmbH

Industry

Registry information

Important dates

Study start
2019
Primary completion
2023
Study completion
2023
First posted
Sep 10, 2019
Registry last updated
Jun 21, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.