Slashdot Mirror


Augmented Reality In a Contact Lens

Toe, The writes "Bionanotechnology researcher Babak A Parviz writes about his research toward producing a computer interface in a contact lens. At the moment, they have only embedded a single LED, but they foresee a much more complex interface such as detailed in Vernor Vinge's Rainbows End. Such lenses potentially could also read human bio-information from the eye, providing medical information on the order of what is now taken from blood tests, but on a continuous basis. An example would be monitoring glucose levels for diabetics. The author states that, 'All the basic technologies needed to build functional contact lenses are in place,' and details what refinements and advances will be necessary to bring this technology to reality."

16 of 196 comments (clear)

  1. Cool by SilverHatHacker · · Score: 3, Funny

    This is way better than having to hold your iPhone in front of you all the time...

    --
    Funny may not give karma, but +5 Informative never made anyone snort coffee out their nose.
  2. A 21st Century Contact Lens by davide+marney · · Score: 5, Informative

    Here's an illustration that explains it all in a glance.

    --
    "We receive as friendly that which agrees with, we resist with dislike that which opposes us" - Faraday
  3. yes! by Mr.Fork · · Score: 3, Interesting

    Now, throw in a TrackIR-like system, and we can 100% totally immerse ourselves inside a virtual reality PC. No more monitors that have limited field of views etc. Also, imagine the military and civilian aspects - how a terminator can overlay regional information like that of the new iPhone app - but now it's in your eyes.

    But they're gonna have to figure out a) how to power it and b) how to transmit the data to these devices. That is true tech challenge.

    --
    Management is doing things right; leadership is doing the right things. - Peter F. Drucker
    1. Re:yes! by Anonymous Coward · · Score: 4, Funny

      Just imagine being able to watch porn while you're tagging that not-so-hot chick you met at the bar!

  4. I have a request. by Anonymous Coward · · Score: 4, Funny

    Can I just get a contact lens with cross-hairs in it?

    Why yes. I do play Quake III Arena often. Why do you ask?

  5. Another inevitable function of this... by d474 · · Score: 4, Interesting

    Another inevitable function of this contact lens is recording video. Everything you see passes through this lens, so you will be able to record everything you see (except, of course, for dreams and hallucinations).

    It would be like Tivo for your life.

    --
    Authority questions you. Return the favor.
    1. Re:Another inevitable function of this... by $RANDOMLUSER · · Score: 3, Insightful

      Further, studies show that the eye's point-of-focus jerks all over the place. Your gaze is rarely centered in just one spot in a scene. Then there's the question of (depth-of-field) focus...

      --
      No folly is more costly than the folly of intolerant idealism. - Winston Churchill
    2. Re:Another inevitable function of this... by Lord+Ender · · Score: 4, Insightful

      Contact lenses cover more than the pupil. A recording device located over the iris would not interfere with vision.

      --
      A slashdotter who didn't build his own computer is like a Jedi who didn't build his own lightsaber.
  6. A better suggestion for power: by jeffb+(2.718) · · Score: 4, Interesting

    Blinks. Leech kinetic energy from the eyelid. Teeny-tiny stick-on magnets go on the outside of your eyelid; they'll be the next fashion statement. Every time you blink, it induces a current pulse in the lens pickup coils.

    For that matter, it might be possible to collect energy from saccades and other natural eye movements. That's potentially a higher-res and lower-latency method for eye-tracking than cameras, which you'll need for AR, and if you can harvest energy to boot, so much the better!

    I don't have the physics/EE chops to run the numbers, but I'll bet you'd get more power this way than from a "solar cell module". (Who wants to keep their eyes wide open and directed toward a bright light source?)

    1. Re:A better suggestion for power: by Cedric+Tsui · · Score: 4, Interesting

      Or you could use burn glucose.
      the cells in the cornea are fed not by blood vessels (which wouldn't be transparent) but get their oxygen from the air, and their nutrients and sugars from your tears. The lens could do the same thing.

  7. Science Reporting At Its Best by clt829 · · Score: 5, Interesting

    They've put a single LED in a contact lens, so now we have Augmented Reality.

    1. Re:Science Reporting At Its Best by $RANDOMLUSER · · Score: 3, Funny

      After they add the second LED to the contact lens, they'll have to figure out where to put the heatsink.

      --
      No folly is more costly than the folly of intolerant idealism. - Winston Churchill
  8. I can't wait for the first hacker by Mishotaki · · Score: 3, Interesting

    I really can't wait for the first hacker who manages to hack someone else's lens to output an extremely bright light to the wearer...

    so that he has to remove those lens, because the natural reflex of closing the eye is totally useless!

    When you're arrested by the cops: "my lenses were hacked! i really didn't see that stop sign!"

    Or: "cause of death: blinded by his lenses while driving"

    Such an interesting future is coming towards us!

  9. Re:Why aug? by StreetStealth · · Score: 4, Insightful

    I thought what I'd do was, I'd pretend I was one of those deaf mutes!

    --
    Your mind is clear / The things that you fear / Will fade with how much you / Believe what you hear
  10. Cybernetic Eyes by Baron_Yam · · Score: 3, Interesting

    Forget a contact on my eye - replace the whole eyeball. Give me low light, infrared, light reduction, bloom compensation, microscope and telescope functions, facial recognition, recording, playback, computer display link, etc.

    Pretty much everyone needs glasses by 40 anyway, why not just get new eyes when you're 18?

    I know we're a long way off from being able to plug a camera directly into the optic nerve, but when that day comes I'm up for it.

  11. Further challenges by dewarrn1 · · Score: 4, Informative

    I love the idea, but having conducted many eye-tracking sessions I think that there are a number of basic challenges that the contact-lens implementation would need to overcome. First, contacts drift all over the cornea. It's really quite disconcerting to watch, especially when you've got obvious markers like vanity-coloring for irises. Station-keeping over the pupil would require technology that's not mentioned here. Alternatively, you might monitor the portion of the contact that's positioned over the pupil at any given moment using photocells on the underside to catch light reflected off the retina, but then you'll need a bigger display and use up valuable real estate. Second, similarly and perhaps even more importantly, orientation maintenance. If there was a good way for contact orientation to be maintained, bifocal contact lenses would be a reality already. Instead you encounter bizarre stopgaps like a reading lens in one eye and a distance lens in the other. Third, eyes are a fairly disgusting environment. Crud on regular contacts doesn't seem to impede vision, but the delicate electronics in a device like this might object to working in a wet, salty, bacteria-ridden setting unless very carefully insulated. Nothing bad about reaching for the dream, but I'll take a pair of prescription Virtual Light-style glasses while we're waiting.