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OpenTrials
Completed

NCT Number: NCT01076114

Comparison of Critical Flicker Fusion Versus Automated Visual Fields in the Detection of Early Glaucoma

The purpose of this study is to evaluate if critical flicker fusion is a more reliable method for detection of early glaucoma compared to automated visual fields in comparison to subjects without evidence of glaucoma or optic nerve disease.

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Key information

Conditions

Glaucoma Eye Diseases Ocular Hypertension

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Nassau University Medical Center

East Meadow, New York, 11554, United States

About this study

Our hypothesis is that critical flicker fusion (CFF) is a more reliable method for detection of early glaucoma compared to automated visual fields in comparison to subjects without evidence of glaucoma or optic nerve disease. We aim to evaluate the structure of the optic nerve and compare it to results of visual fields and CFF. The CFF will also be correlated with intraocular pressure (IOP) measurements to observe if it may be more closely related than visual fields. This may become an additional tool to detect glaucoma in those with unreliable visual fields or who are unable to perform a visual field from physical or mental limitations.

Who can participate

Healthy volunteers accepted: Yes

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

Inclusion:

  • Glaucoma Suspects:
  • Abnormal optic disc appearance with increased cup to disc ratio, or
  • Increased intraocular pressure >21 in either eye
  • Control Subjects:
  • Normal appearing optic discs
  • Normal intraocular pressure (<21)

Exclusion:

  • Other ocular pathology
  • History of seizures or epilepsy

Treatment and study plan

Primary outcomes

  1. Difference of mean deviation of glaucoma suspects from controls between critical flicker fusion and automated visual fields.

    Time frame: 1 visit (1 day)

Sponsors and collaborators

Lead sponsor

Northwell Health

Other

Collaborators

  • Nassau University Medical Center

Registry information

Official study title

Comparison of Critical Flicker Fusion vs. Automated Visual Fields in the Detection of Early Glaucoma

Important dates

Study start
2010
Primary completion
2011
Study completion
2011
First posted
Feb 25, 2010
Registry last updated
Mar 15, 2011

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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