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OpenTrials
Completed

NCT Number: NCT06247072

TRK-3 Conformance to Standards for Tonometers

To collect measurements of a new tonometer and show conformance to standards for tonometers.

Completed

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Key information

Age range

22 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

New View Optometric Center, La Mesa, California, United States

Loading trial locations.

Who can participate

Healthy volunteers accepted: Yes

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

Inclusion criteria

  • Age at least 22 years at the time of the informed consent
  • Provide voluntary written consent for participation in the study

Exclusion criteria

  • Have only one functional eye
  • Have difficulty in ocular fixation or eccentric fixation in either eye
  • Have corneal scar or have a history of corneal surgery such as corneal laser surgery (cataract surgery is acceptable)
  • Have microphthalmia
  • Have buphthalmos
  • Wear contact lens (have used soft contact lenses within the last 3 months and/or hard contact lenses within the last 6 months)
  • Have dry eyes and taking prescription medication or using artificial tears daily
  • Have blepharospasm
  • Have nystagmus
  • Have keratoconus
  • Have corneal or conjunctival lesions or infections
  • Have a central corneal thickness of <500μm or >600μm
  • Have corneal astigmatism >3D
  • Have known allergy to ophthalmic anesthetics
  • Have known allergy to sodium fluorescein

Treatment and study plan

Tonometer

Device

measures IOP

Primary outcomes

  1. IOP

    Time frame: 1 day

    pressure inside the eye

Sponsors and collaborators

Lead sponsor

Topcon Corporation

Industry

Registry information

Important dates

Study start
2024
Primary completion
2024
Study completion
2024
First posted
Feb 7, 2024
Registry last updated
Apr 8, 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.

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