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Bionic eyes: Obsolete tech leaves patients in the dark


Hundreds of people who had retinal implants to improve their sight face an uncertain future as the technology they rely on is now obsolete.

Second Sight stopped making its Argus II bionic eyes several years ago to focus on a brain implant instead. According to IEEE Spectrum it is now hoping to merge with a biopharmaceutical firm which does not make eye implants.

IEEE Spectrum reports that Second Sight actually discontinued its retinal implants - which effectively take the place of photoreceptors in the eye to create a form of artificial vision - in 2019.

Patients contacted by IEEE Spectrum voiced concern.

One, Ross Doerr, said Second Sight failed to contact any of its patients after its financial difficulties in 2020. "Those of us with this implant are figuratively and literally in the dark," he said.

Another user, Jeroen Perk, had problems when his VPU system broke in November 2020. "I had no vision, no Argus, and no support from Second Sight," he said.

Elizabeth M Renieris, professor of technology ethics at the University of Notre Dame, in the US, described the development as a cautionary tale.

She told the BBC: "This is a prime example of our increasing vulnerability in the face of high-tech, smart and connected devices which are proliferating in the healthcare and biomedical sectors."

"These are not like off-the-shelf products or services that we can actually own or control. Instead we are dependent on software upgrades, proprietary methods and parts, and the commercial drivers and success or failure of for-profit ventures."

Ethical considerations around such technology should in future include "autonomy, dignity, and accountability", she added.

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Source: BBC News, 17 February 2022

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