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Background: "Amblyopia is a neurodevelopmental disorder in both monocular and binocular functions and it extends even beyond the primary visual integration centers", therefore, amblyopia is not a "lazy eye" but it is a "lazy brain".
Purpose: The investigators aimed to compare the visual outcome of occlusion therapy with virtual reality game playing as a new therapy on amblyopic children.
Methods: This RCT was performed on 50 children with unilateral amblyopia ,4 to 10 years old. They were randomly divided to case and control (each= 25) groups. case group were trained binocularly using the virtual reality games through head set for one hour a day, 5 days in a week for 4 to 6 weeks. Controls occluded their non- amblyopic eyes, 2, 4 and 6 hours for mild (0.2 to 0.3 LogMAR), moderate (0.3 to 0.6 LogMAR) and severe (BCVA < 0.6 LogMAR) amblyopia, respectively.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Virtual Reality | Experimental | Dichoptic playing games with fine stimulation will present to the amblyopic eye. |
|
| Patching | Active Comparator | Non- amblyopic eye will be recommended to patch. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Virtual Reality | Device | New treatment for amblyopia therapy using playing games |
|
| Measure | Description | Time Frame |
|---|---|---|
| Best Corrected Visual Acuity (BCVA) | Change from baseline BCVA at 6 months | baseline and 6 months after training |
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Inclusion Criteria:
- The best corrected visual acuity worse than 0.3 LogMAR
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Hamideh Sabbaghi, PhD | Contact | 989120285930 | sabbaghi.opt@gmail.com |
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| ID | Term |
|---|---|
| D000550 | Amblyopia |
| ID | Term |
|---|---|
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
| D014786 | Vision Disorders |
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| Patching | Other | Patching |
|
| D012678 | Sensation Disorders |
| D009461 | Neurologic Manifestations |
| D005128 | Eye Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |