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A schematic representation at 0, 24, and 60 months of best-corrected visual acuity (BCVA) and central subfield thickness (µm), as measured by optical coherence tomography (OCT), with designated mode of treatment, OD. Open symbols indicate extra ocular treatments and closed symbols indicate intraocular treatments, and are as follows: (□) - Thermal laser therapy, (▲) – Intravitreal Triamcinolone, (*) – Cryotherapy and (♦) - Avastin.
