Actively Recruiting
Head-Cancelled Virtual Reality for Ocular Cranial Nerve Palsies
Led by Kevin Houston · Updated on 2026-04-06
40
Participants Needed
2
Research Sites
194 weeks
Total Duration
On this page
Sponsors
K
Kevin Houston
Lead Sponsor
A
American Academy of Optometry
Collaborating Sponsor
AI-Summary
What this Trial Is About
This study is investigating whether eye exercises for abducens palsy and internuclear ophthalmoplegia increase ocular range of motion in the paretic direction when performed in virtual reality under head-cancelled compared to head-active conditions.
CONDITIONS
Official Title
Head-Cancelled Virtual Reality for Ocular Cranial Nerve Palsies
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Presence of ocular cranial nerve palsy in one eye with 50% range-of-motion limitation or worse
- Able to provide informed consent and fluently read and understand spoken English
- Absence of ocular cranial nerve palsy or other neurological or neuro-ophthalmic diseases (for normal control group)
- No strabismus (for normal control group)
- Normal or near-normal vision with glasses or contact lenses (for normal control group)
You will not qualify if you...
- Presence of bilateral ocular cranial nerve palsy
- Range of motion better than 50%
- Visual acuity worse than 20/100 in either eye
- Greater than 4-line difference in visual acuity between the eyes
- Structural anomalies or sensory sensitivities preventing wearing or tolerating a VR headset
- Known inability to tolerate visual testing continuously for at least 20 minutes
- Unable to participate if inclusion criteria are not met
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 2 locations
1
Brooks Rehabilitation Hospital
Jacksonville, Florida, United States, 32216
Actively Recruiting
2
Vision Source of Worcester
Worcester, Massachusetts, United States, 01610
Actively Recruiting
Research Team
K
Kevin Houston, OD
CONTACT
S
Shelli Levasseur, BS
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
RANDOMIZED
Model
CROSSOVER
Primary Purpose
TREATMENT
Number of Arms
2
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