Low vision Ear, Nose and Throat Unspecified visual impairment (binocular)
Conditions
Interventions
Patients who meet the criteria for inclusion and exclusion are intervened with occlusion of the normal or better eye and an intensive visual stimulation procedure for periods of 5 hours daily for 10
Sponsors
Neurological Institute of Colombia (Colombia)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Age greater than or equal to 18 2. Isquemic optic neuropathy 3. Optic neuropathy by Multiple Sclerosis 4. Amblyopia secondary to strabismus 5. Traumatic optic neuropathy 6. At least one year of evolution of the previous conditions 7. Alteration of unilateral or bilateral visual acuity, defined as unilateral or bilateral visual acuity less than 20/60 8. In case of bilateral involvement, there should be an eye with better visual acuity, still below the 20/60 9. The visually impaired should have some stability over time, without clinical signs of improvement, even with the best possible optical correction or intervention 10. Clinical condition equivalent to a diagnosis of low vision
Exclusion criteria
Exclusion criteria: 1. Visual deficit bilaterally and in the same visual range 2. Optic Atrophy of nonspecific of uncertain origin 3. Optical refractive errors 4. Low vision of ophthalmic pathology: glaucoma, sequelae of retinopathy of prematurity, hypertensive retinopathy, diabetic retinopathy, cataract, retinitis pigmentosa and macular degeneration associated with age 5. Presence of tumor disease of the optic nerve 6. Intensive therapy with steroids in the last 6 months 7. Relapsed Acute optic neuritis type in the last 6 months 8. Lack of ability to understand instructions and adhere to intervention
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Comparison of tests before and after intervention will permit the evalution of the results | — |
Secondary
| Measure | Time frame |
|---|---|
| Changes in activation of cortical visual areas by functional magnetic resonance | — |
Countries
Colombia
Outcome results
None listed