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OpenTrials
Completed

NCT Number: NCT01786954

iCare vs Tonopen vs Goldmann Applanation Post-vitrectomy Surgery

The purpose of the study is to compare the measurement of pressure inside the eye using three different FDA-approved devices (Icare, Tonopen, and Goldmann applanation).

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Key information

Conditions

Intraocular Pressure

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Duke University Eye Center

Durham, North Carolina, 27710, United States

About this study

The three above devices will be used to measure intraocular pressure in patients one day following vitreoretinal surgery. The underlying reason for surgery is not being considered in this study. The measured pressures will be compared across devices in eyes filled with fluid, gas, and silicone oil.

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • Duke Eye Center patients 18 years or older
  • capacity to give legally effective consent
  • scheduled to undergo vitreoretinal surgery

Exclusion criteria

  • individuals unable to give consent
  • minors

Treatment and study plan

Icare rebound tonometry

Device

Tonopen applanation

Device

Other names: Tonopen Avia

Goldmann applanation

Device

Primary outcomes

  1. Measurement of Intraocular Pressure

    Time frame: postoperative day #1

    The primary outcome is the measurement of intraocular pressure on postoperative day #1 following vitreoretinal surgery.

Secondary outcomes

  1. Adverse Events

    Time frame: postoperative day #1

    The secondary outcome is the onset of any adverse events related to measurement of intraocular pressure.

Sponsors and collaborators

Lead sponsor

Duke University

Other

Registry information

Official study title

A Comparative Study of Icare Rebound Tonometry With Other Tonometry Modalities in Patients Following Vitreoretinal Surgery.

Important dates

Study start
2012
Primary completion
2014
Study completion
2014
First posted
Feb 8, 2013
Registry last updated
May 23, 2016

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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