Head-Cancelled Virtual Reality for Ocular Cranial Nerve Palsies

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18+
SponsorKevin Houston

About this trial

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.

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

Presence of OCNP in one eye with 50% range-of-motion limitation or worse

Able to provide informed consent and will be able to fluently read and understand spoken English

Disqualifiers

Presence of bilateral OCNP

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,

Trial design

Design model

Crossover

Treatments tested in this trial

  • Head-cancelled virtual reality

    Behavioral

    Scene in virtual reality moves with the head while performing visual tasks.

Treatment groups

40 Participants
are divided into 2 treatment groups
Group A: Head CancelledExperimental treatment 1 intervention
Group B: NormalNo intervention 0 interventions

Trial outcomes

Primary outcomes

1

Peak saccade amplitude

Maximum amplitude of eye movement

Time frame
5 minutes

Secondary outcomes

1

Mean head position

Mean deviation of the head from the neutral position during each task

Time frame
5 minutes

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Kevin Houston

Lead sponsor

Brooks Rehabilitation

Sponsor institution

American Academy of Optometry

Collaborator