Will Listening to Music Make it Easier to Take a Visual Field Test?

W

Wills Eye

Status

Completed

Conditions

Glaucoma

Study type

Observational

Funder types

Other

Identifiers

NCT01027039
07-829E

Details and patient eligibility

About

The purpose of this study is to examine if there is a difference between glaucoma patients having background music and not having background music before visual field testing.

Full description

Glaucoma is one of the leading causes of blindness in the United States. Over 2.5 million people in the United States have glaucoma. The goal of ophthalmologists is two-fold: 1) to detect glaucoma early, and 2) to stop the progression of disease and subsequent visual loss. Many parameters are used to detect and follow glaucoma over the patient's lifetime including optic nerve appearance, intraocular pressure by applanation and visual field perimetry testing results. Perimetry testing aims to detect visual field loss that may be associated with glaucoma and institute more aggressive treatment measures when necessary. However, it is suspected that 50% or more of the optic nerve fibers are already irreversibly damaged before a visual field defect can be identified on testing. Furthermore, the patient's ability to take a visual field test is paramount in the doctor's ability to interpret the test. That is, if a visual field test taker performs the test with low reliability (i.e. too many false positive, false negative or fixation losses), the interpretability of the test by the ophthalmologist is difficult or impossible. Interestingly, a recent study in the British Journal of Ophthalmology suggested the positive effect Mozart music has on visual field test taking ability. This study showed better first time automated perimetry performance in normals immediately following exposure to the first 10 minutes of Mozart's Sonata for Two Pianos in D Major. The music group had 20 times fewer fixation losses, three times fewer false positive responses and 10 times fewer false negative responses. No study has determined if Mozart music improves the reliability indices of Humphrey visual field testing for glaucoma patients or experienced test takers. In efforts to improve patient's reliability on visual field testing, we propose a randomized controlled trial to determine if listening to music before field testing improves testing reliability.

Enrollment

160 patients

Sex

All

Ages

40 to 80 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Age range: 40-80 years
  • Best corrected visual acuity: 20/50 or better in both eyes
  • Experienced visual field test takers only: Patient has taken at least 2 prior visual field tests
  • Mean defect values: MD no greater than 15
  • Reliability on prior visual field indices must each be less than or equal to 40%
  • Glaucoma type: Open angle glaucoma (including primary open angle glaucoma, pigmentary glaucoma and exfoliative glaucoma) angle closure glaucoma and low tension glaucoma
  • Visual field testing program: Humphrey 24-2 Sita Standard
  • Number of eyes per patient: Both (2) eyes will be tested for each subject

Exclusion criteria

  • Patients with other ocular disease affecting central vision other than mild- moderate nuclear sclerosis (i.e. patients with macular scar, age-related macular degeneration, diabetic retinopathy, etc.)
  • Systemic conditions affecting ability to take HVF (i.e. dementia, CVA, severe arthritis, etc.)
  • Any visual field taken that is not the Humphrey 24-2 SITA Standard field will not be acceptable

Trial design

160 participants in 3 patient groups

Patients using noise-reducing headphones
Description:
Patients using noise-reducing headphones
Patients using no headphones
Description:
Patients using no headphones
Patients using headphones with music
Description:
Patients using headphones with music

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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