clinical trial · NCT04838223
Neurosensory Abnormalities in SymptomAtic Ocular Surface Patients (NASA)
Dry EyeNeuropathic PainHyperosmolar ResponseProparacaine Challenge TestContact Lens Dry Eye Questionnaire-8 (CLDEQ-8) Optional; only for Contact Lens WearersOcular Pain Assessment Survey (OPAS)Visual Analogue Questionnaire
brief summary
This study is designed to measure how common nerve abnormalities are within a group of patients who feel discomfort within their eyes.
started
Jul 2, 2021
primary completion
Dec 31, 2025
completion
Jul 1, 2026
last updated
Jan 27, 2026
sourced from ClinicalTrials.gov · pharmadog mirrors structured fields, not the full protocol