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| Methods | Allocation: unclear.
Blindness: unclear.
Duration: unclear. Funding: unclear. |
| Participants | Diagnosis: unclear. N = unclear. Age: unclear. Sex (M:F): unclear. Setting: unclear. History: unclear. Excluded: unclear. |
| Interventions | 1. Unclear: dose unclear. N = unclear. 2. Unclear: dose unclear. N = unclear. |
| Outcomes | Unclear. |
| Notes | Awaiting assessment given lack of available information. |
