Microperimetric changes after intravitreal bevacizumab injection for exudative age‐related macular degeneration
H Ozdemir, M Karacorlu, F Senturk… - Acta …, 2012 - Wiley Online Library
Acta ophthalmologica, 2012•Wiley Online Library
Purpose: To evaluate the effect of intravitreal bevacizumab on macular function in the cases
of exudative age‐related macular degeneration (AMD). Methods: A total of 21 eyes of 21
patients with exudative AMD were included in this study. In each eye, at baseline and 1, 3
and 6 months after intravitreal bevacizumab injection, logMAR visual acuity, central 4°
macular sensitivity, absolute scotoma size, fixation stability and fixation location by MP‐1
microperimetry and optical coherence tomography (OCT) foveal morphologic changes were …
of exudative age‐related macular degeneration (AMD). Methods: A total of 21 eyes of 21
patients with exudative AMD were included in this study. In each eye, at baseline and 1, 3
and 6 months after intravitreal bevacizumab injection, logMAR visual acuity, central 4°
macular sensitivity, absolute scotoma size, fixation stability and fixation location by MP‐1
microperimetry and optical coherence tomography (OCT) foveal morphologic changes were …
Abstract
Purpose: To evaluate the effect of intravitreal bevacizumab on macular function in the cases of exudative age‐related macular degeneration (AMD).
Methods: A total of 21 eyes of 21 patients with exudative AMD were included in this study. In each eye, at baseline and 1, 3 and 6 months after intravitreal bevacizumab injection, logMAR visual acuity, central 4° macular sensitivity, absolute scotoma size, fixation stability and fixation location by MP‐1 microperimetry and optical coherence tomography (OCT) foveal morphologic changes were assessed. After the initial treatment phase which included three consecutive injections, the decision to re‐treat was based on OCT and clinical findings. Subsequent injections could be administered at least 1 month after the previous injection period according to the OCT‐guided treatment regimen.
Results: Mean retinal sensitivity within central 4° (12 points) area had increased from 3.69 ± 3.44 dB at baseline to 7.16 ± 3.27 dB at month 6. In all controls after the treatment, there was significant increase in logMAR visual acuity (p < 0.001) and MP‐1 retinal sensitivity (p < 0.001). Mean absolute scotoma in test point location had decreased significantly from 12 of the 76 applied test point locations measured at baseline to five test point locations (−7 test point locations; p < 0.001) at month 6 showing statistical significance. Fixation properties had preserved in all patients 6 months after intravitreal bevacizumab treatment.
Conclusion: Intravitreal bevacizumab therapy induced a significant increase in mean retinal sensitivity and significant decrease in mean absolute scotoma size during 6 months. The MP1 microperimetry proved to be a valuable tool in the evaluation of functional benefit of exudative AMD therapy with intravitreal bevacizumab.
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