# Objectively Diagnose and Monitor Treatment of Light Sensitivity

> **NCT03694626** · NA · RECRUITING · sponsor: **Randy Kardon** · enrollment: 120 (estimated)

## Conditions studied

- Photophobia
- Traumatic Brain Injury
- Migraine

## Interventions

- **DEVICE:** Pupillography
- **DEVICE:** Ocular Coherence Tomography (OCT)
- **DEVICE:** Wrist-watch sensor device
- **DEVICE:** Videography
- **DEVICE:** Electrophysiology

## Key facts

- **NCT ID:** NCT03694626
- **Lead sponsor:** Randy Kardon
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2019-07-11
- **Primary completion:** 2028-01-01
- **Final completion:** 2028-01-01
- **Target enrollment:** 120 (ESTIMATED)
- **Last updated:** 2025-11-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03694626

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03694626, "Objectively Diagnose and Monitor Treatment of Light Sensitivity". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03694626. Licensed CC0.

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