Retinal implants have been used in retinitis pigmentosa to restore some vision when the optic nerve is still intact, and experimental cortical implants when the optic nerve is damaged.

Are these devices suitable for those who have either fully or partially lost vision from glaucoma?

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    Can you point/link what kind of electronic devices you're in mind?
    – kenorb
    Apr 3 '15 at 11:10