Removing membrane between Argus II, retina may restore normal function of device

CHICAGO — The histological characteristics of an epiretinal membrane that had formed between an Argus II retinal prosthesis and a patient’s retina were described here.
“The fibrosis seems to be a reaction from the foreign body. We found iron in the tissue,” Fabio Patelli, MD, said at the American Society of Retina Specialists annual meeting.
Patelli and colleagues removed an epiretinal membrane that developed between the Argus II (Second Sight Medical Products) and the retina. The membrane was composed of spindle cell elements similar to fibroblasts, mixed with an

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