LED contact lens cases tell you when to throw them out

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For the myopic eyeball toucher, this is brilliant: an electronic contact lens case with a simple LED display that tells you how long it’s been since you started wearing your current set of contacts. You can even customize the schedule from between 14 and 30 days, allowing you to throw out your contacts according to your optometrist’s defined schedule, long before they get to the oogy petri dish protozoa stage. They go for about $34.

Contact Lens Case [Latest Buy via Oh Gizmo]

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3 Responses to LED contact lens cases tell you when to throw them out

  1. Reverend Loki says:

    My first cursory scan of the headline left me thinking it was about LED contact lens, which got me all excited about the possibilities. Are we finally talking about a contact lens based HUD? Or a lens that casts an eerie blue glow from your eyeball?

    Reality seldom lives up to my imagination, and this makes me sad.

  2. CJ says:

    Hmm, seems a bit expensive. You’re supposed to throw the case itself out, every couple of months, because they also tend to have bacteria build up.

  3. bazz says:

    John Brownlee: Ahg, one my of top tech-writing peeves. Segmented black digits generally mean you are looking at an LCD, not an LED display. Sure, these days the light emitter behind the segmented digits could be an LED — heck, in ancient LCD wristwatches this was a tiny incandescent light — but most commonly we’re talking light emission from an electroluminsecent panes. No matter what the source behind the LCD, this setup is still called an LCD.

    Reverend Loki: Yup, I was thinking an on-lens LED/OLED. Was hoping for something seen while worn in focus in users visual field (well, on periphery for safety); was expecting only visible when removed / looking in mirror. But a lens case with a timer? Bah.
    I will still have to wait a little longer for first sign of the contact-lens enhanced-reality eyephones that science fiction has been promising me. Am keeping an eye (ha!) on John Rogers’ lab (University of Illinois) for flexible stretchable circuits, relevantly the recent “A hemispherical electronic eye camera based on compressible silicon optoelectronics”, doi:10.1038/nature07113 .

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