This study is accepting new patients by invitation only

Neurosensory Abnormalities in SymptomAtic Ocular Surface Patients (NASA)

a study on Dry Eye Neuropathic Pain

Summary

Eligibility
for people ages 18 years and up (full criteria)
Location
at UCSF
Dates
study started
completion around

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 - Francis I Proctor Foundation
    San Francisco California 94143 United States
  • Western University of Health Sciences
    Pomona California 91766 United States

Details

Status
accepting new patients by invitation only
Start Date
Completion Date
(estimated)
Sponsor
Tufts Medical Center
ID
NCT04838223
Study Type
Observational
Participants
Expecting 1000 study participants
Last Updated