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RecruitingNot ApplicableNCT06417216

Head-Cancelled Virtual Reality for Ocular Cranial Nerve Palsies

Head-Cancelled Virtual Reality for Rehabilitation of Ocular Cranial Nerve Palsies

Sponsor

Kevin Houston

Enrollment

40 participants

Start Date

Sep 10, 2024

Study Type

INTERVENTIONAL

Conditions

Internuclear OphthalmoplegiaPalsy, Abducens

Summary

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

Min Age: 18 Years

Inclusion Criteria6

  • 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
  • Absence of OCNP or other neurological or neuro-ophthalmic diseases
  • No strabismus
  • Have normal or near-normal vision with glasses or contact lenses.
  • Be able to provide informed consent and will be able to fluently read and understand spoken English

Exclusion Criteria9

  • 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,
  • Structural anomalies or sensory sensitivities (e.g. visual motion sensitivity) that would prevent them from wearing or tolerating a VR headset
  • 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 (e.g. visual motion sensitivity) that would prevent them from wearing or tolerating a VR headset
  • Known inability to tolerate visual testing of at least 20 minutes continuously.

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Interventions

BEHAVIORALHead-cancelled virtual reality

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

Locations(2)

Brooks Rehabilitation Hospital

Jacksonville, Florida, United States

Vision Source of Worcester

Worcester, Massachusetts, United States

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NCT06417216

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