This is a retrospective data collection study to evaluate the efficacy, safety, and re-injection interval of OZURDEX® in the treatment of macular edema due to RVO. Following informed consent, there were no patient study visits. All data was collected via chart review.
Study Type
OBSERVATIONAL
Enrollment
289
Dexamethasone intravitreal implant 0.7 mg was dosed previously according to general clinical practice.
Unnamed facility
San Antonio, Texas, United States
Change From Baseline in Best Corrected Visual Acuity (BCVA) 4 to 20 Weeks Following the Last OZURDEX® (Dexamethasone Intravitreal Implant) Injection
BCVA was assessed using the Snellen eye chart converted to Early Treatment Diabetic Retinopathy Study number of lines ranging from 0 (worst) to 20 (best). The change in BCVA was calculated using the most improved number of lines read correctly between 4 and 20 weeks following the last injection of OZURDEX® - the number of lines read correctly at baseline. A positive change from baseline indicates improvement.
Time frame: Baseline, 4 to 20 weeks after last injection (Up to 6 months)
Percentage of Participants With an Increase of 2 Lines or More in BCVA
BCVA was assessed using the Snellen eye chart converted to Early Treatment Diabetic Retinopathy Study number of lines ranging from 0 (worst) to 20 (best). An increase of 2 or more lines read correctly compared to baseline is an improvement.
Time frame: Baseline, Up to 6 months
Percentage of Participants With an Increase of 3 Lines or More in BCVA
BCVA was assessed using the Snellen eye chart converted to Early Treatment Diabetic Retinopathy Study number of lines ranging from 0 (worst) to 20 (best). An increase of 3 or more lines read correctly compared to baseline is an improvement.
Time frame: Baseline, Up to 6 months
Change From Baseline in Central Retinal Thickness by Optical Coherence Tomography (OCT) 4 to 20 Weeks After Each Injection
Optical Coherence Tomography (OCT), a laser based non-invasive diagnostic system providing high-resolution imaging sections of the retina, was performed in the study eye after pupil dilation at baseline and 4 to 20 weeks after each injection. A negative change from baseline indicates improvement.
Time frame: Baseline, 4 to 20 Weeks after Each injection (up to 6 months)
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