MedTrace Logo

Prevalence of Dyschromatopsia in Glaucoma Patients

NCT01994564 · Status: WITHDRAWN · Type: OBSERVATIONAL

Last updated 2013-11-26

No results posted yet for this study

Summary

Glaucoma is a progressive disease resulting in loss of retinal nerve cells and their axons (retinal nerve fibers). Retinal nerve fibers are ordered in a special manner when they enter the optic nerve. Hence, damage to the retinal nerve fibers by glaucoma results in visual field defects at certain locations. Furthermore, the retinal nerve fiber layers from different receptors for different colors are ordered in a special manner as well. Thus, it is possible that glaucomatous damage causes color vision dysfunction (dyschromatopsia).

At the moment there is disagreement whether dyschromatopsia occurs at early- to mid-stage or only in end-stage glaucoma.

By testing color vision in glaucoma patients the prevalence of dyschromatopsia in glaucoma and in different stages of the disease will be investigated.

Conditions

Sponsors & Collaborators

  • Massachusetts Eye and Ear Infirmary

    lead OTHER

Principal Investigators

  • Douglas J. Rhee, M.D. · Massachusetts Eye & Ear Infirmary, Harvard Medical School, Boston, MA, US

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2012-11-30
Primary Completion
2013-12-31
Completion
2014-01-31

Countries

  • United States

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01994564 on ClinicalTrials.gov