Abstract
Purpose
To evaluate the anatomical and functional course without surgical intervention in patients with nontractional epiretinal membrane (ERM) using spectral-domain optical coherence tomography (SD-OCT) in a long-term follow-up of 38.2 ± 30.6 months.
Methods
Participants were 58 patients with nontractional ERM, which was defined as a tear or rip of the ERM in at least one line of OCT scan. All patients were observed without any surgical intervention. All patients underwent ophthalmologic examination, including best-corrected visual acuity (BCVA) measurement, funduscopy, and SD-OCT. Routine follow-up visits were performed every 6 months or earlier at the discretion of the investigator.
Results
There was no statistically significant difference in BCVA or central foveal thickness (CFT) at all time points of the follow-up. About 84.4% of patients presented improvement or stabilization in BCVA at the end of the follow-up, while 53.4% of patients had a decrease in CFT. All patients had intact ellipsoid zone and none of them needed surgical intervention at the end of the follow-up of 38.2 ± 30.6 months.
Conclusions
In patients with nontractional ERM, BCVA and CFT may remain stable in a long-term follow-up. Therefore, if ellipsoid zone is intact and there is a tear or rip of ERM in at least one OCT scan, patients can be monitored and surgery may be deferred because of high percentage of structural and functional stability.
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