Summary

Eligibility
for people ages 18 years and up (full criteria)
Location
at San Francisco, California and other locations
Dates
study started
estimated completion

Description

Summary

This study is designed to measure how common nerve abnormalities are within a group of patients who feel discomfort within their eyes.

Keywords

Dry Eye Neuropathic Pain Neuralgia Proxymetacaine Hyperosmolar Response Proparacaine Challenge Test

Eligibility

You can join if…

Open to people ages 18 years and up

  • Presents with ocular surface discomfort or for dry eye care
  • Best corrected visual acuity of 20/40 or better in each eye
  • Subject reported duration of symptoms of at least 3 months
  • 100 subjects will be required to be habitual contact lens wearers as defined by use of contact lenses at least 5 hours per day at least 5 days per week for the last year.

You CAN'T join if...

  • Use of contact lenses on the day of the visit
  • Pregnant or nursing
  • Irregular corneas (e.g., ectatic disease, transplantation, or corneal dystrophies)
  • Ocular surgery in the past 3 months
  • Ocular infection in the past 3 months
  • Active ocular allergies

Locations

  • University of California at San Francisco
    San Francisco California 94143 United States
  • Advanced Eyecare and the Eyewear Gallery Optometry
    Pismo Beach California 93449 United States

Details

Status
not yet accepting patients
Start Date
Completion Date
(estimated)
Sponsor
Tufts Medical Center
ID
NCT04838223
Study Type
Observational
Last Updated