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2017•Ophthalmic surgery, lasers & imaging retinaRequires access

Positive Visual Phenomena Following Implantation of the Argus II Retinal Prosthesis

Ama Sadaka, Cyrus Iqbal, Hossein Nazari, Shauna Berry, Charles C. Wykoff, Mark S. Humayun, Andrew G. Lee

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Abstract

A 62-year-old female who was legally blind secondary to retinitis pigmentosa (RP) developed new positive visual phenomena (PVP) ("visual storms") following implantation of the Argus II Retinal Prosthesis System (Second Sight Medical Products, Sylmar, CA). The potential mechanisms for the exacerbating PVP or hallucinatory release phenomena are proposed. Clinicians should be aware of these visual phenomena in patients with RP and the potential for worsening of or de novo development of PVP in patients considering the Argus II implant. [Ophthalmic Surg Lasers Imaging Retina. 2017;48:1022-1025.].

About this research paper

What this paper is about

A 62-year-old female who was legally blind secondary to retinitis pigmentosa (RP) developed new positive visual phenomena (PVP) ("visual storms") following implantation of the Argus II Retinal Prosthesis System (Second Sight Medical Products, Sylmar, CA). The potential mechanisms for the exacerbating PVP or hallucinatory release phenomena are proposed. Clinicians should be aware of these visual phenomena in patients with RP and the potential for worsening of or de novo development of PVP in patients considering the Argus II implant. [Ophthalmic Surg Lasers Imaging Retina. 2017;48:1022-1025.].

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OpenAlex reports 2 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A 62-year-old female who was legally blind secondary to retinitis pigmentosa (RP) developed new positive visual phenomena (PVP) ("visual storms") following implantation of the Argus II Retinal Prosthesis System (Second Sight Medical Products, Sylmar, CA). The potential mechanisms for the exacerbating PVP or hallucinatory release phenomena are proposed. Clinicians should be aware of these visual phenomena in patients with RP and the potential for worsening of or de novo development of PVP in patients considering the Argus II implant. [Ophthalmic Surg Lasers Imaging Retina. 2017;48:1022-1025.].

Key concepts: Argus, Retinitis pigmentosa, Visual prosthesis, Retinal Prosthesis, Retinal implant, Implant, Ophthalmology, Retina

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