[HN Gopher] Eye prosthesis is the first to restore sight lost to...
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       Eye prosthesis is the first to restore sight lost to macular
       degeneration
        
       Author : gmays
       Score  : 181 points
       Date   : 2025-10-22 16:36 UTC (7 days ago)
        
 (HTM) web link (med.stanford.edu)
 (TXT) w3m dump (med.stanford.edu)
        
       | flobosg wrote:
       | Discussion from last week:
       | https://news.ycombinator.com/item?id=45653639
        
       | oulipo2 wrote:
       | That's so cool.
        
       | meindnoch wrote:
       | Resolution, color depth?
        
         | buran77 wrote:
         | > Resolution is limited by the size of pixels on the chip.
         | Currently, the pixels are 100 microns wide, with 378 pixels on
         | each chip.
         | 
         | > the PRIMA device provides only black-and-white vision
        
         | ddingus wrote:
         | 378 pixels, 1bpp
         | 
         | The Phosphenes[0] patients sense will depend on what is left of
         | the retina. People using earlier systems reported some
         | interpolation happened. Maybe that is true of this device too.
         | 
         | [0] - that is the name for the image the brain manifests in
         | response to signals received by the visual cortex. Most of us
         | experience them when we close our eyes and rub them, or maybe
         | just see stuff that is unreal.
        
       | ZebusJesus wrote:
       | This is cool, glad to see people doing awesome things like this
        
       | fatyorick wrote:
       | I'm imagining a hacker sending infrared signals to a user to
       | upload whatever image straight to their brain.
        
         | fragmede wrote:
         | And not a corporation to send advertising? What kind of
         | cyberpunk dystopia is _that_?
        
         | tombakt wrote:
         | Yes, we can even call it "snow crash" ;)
        
       | ricardobeat wrote:
       | And so the cyborg era begins.
        
         | almosthere wrote:
         | https://static.wikia.nocookie.net/star-trek-universe-rpg/ima...
        
       | smath wrote:
       | Very very cool. I have this condition - I got it randomly
       | ("idiopathic" as opposed to age-related) when I was 22. At the
       | time it wreaked havoc on my mental health.
        
         | Quizzical4230 wrote:
         | I am so sorry you went through this. How are you doing now?
         | 
         | I got an ICL (Intra Collamer Lens) implant at 22 (25 now) and
         | that ruined my night vision with ghosts and glares.
        
       | tux wrote:
       | This is incredible technology. Now do computer glasses with AI
       | and you won't need separate devices like phone.
        
       | frays wrote:
       | This is the sort of technology that will actually bring benefit
       | into our lives.
       | 
       | Can't wait to see what advancements will be made in vision-
       | related healthcare over the next 20 years.
        
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       (page generated 2025-10-29 23:01 UTC)