In this study, the intravitreal use of bevacizumab resulted in improvement of mf-ERG macular function responses and relatively stable G-ERG responses. The macular electrophysiologic response suggests that macular function improves with treatment. G-ERG suggests that there is no significant measurable photoreceptor toxicity with the use of intravitreal bevacizumab over the short term.
The dexamethasone implant combined with bevacizumab significantly improves visual acuity and significantly improves macular morphology in eyes with refractory diabetic macular edema, although visual acuity changes are not superior to continued bevacizumab monotherapy.
The two groups had similar best-corrected visual acuity gains. The delayed delivery system monotherapy group achieved a significantly greater reduction of CST compared with the intravitreal bevacizumab monotherapy group, with a q3month interval of treatment, and had no recurrent edema at any visit.
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