Left And Right, Alright!

I have been wearing contact lenses since I was in my 8th grade, so this story is too close to home and I know exactly how this design is going to help me. RLens are contacts with temperature-sensitive diagrams of “R” and “L” printed on them. The alphabets become visible when the lens is out of the eye and disappear when worn. This feature is beneficial in two ways: you will always wear the correct lens & incase you drop one; it will be easier to find it because of the visible lettering.

Designers: Young-Woo Choi, Seok-Young Ahn & Se-Ryeong Nam


  • Ray says:

    Wouldn’t it be easier to just put a permanent L and R on the contact lens? The eye is hardly ever completely dialated so just putting the letters off to one side should be ok. Kind of like those novelty contact lenses. No need to fuss with disappearing letters, or having to wait for the lenses to cool, or hoping that the tip of your finger won’t make the letters disappear.

  • Jimmy C says:

    Well eventually, youl have to move your eyes and then that big L would be in the center of your vision.

  • Devon says:

    Very interesting concept, the only problem I see is if someone is outside and it is cold/windy. I assume this would decrease the temperature of the contacts enough that the letter becomes at least partially visible.

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