Liquid crystal spectacles that changes focal length depending on what you are focussing on - IdeaMill

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DeLay on January 27, 2021 at 9:45 pm
Idea: Liquid crystal spectacles that changes focal length depending on what you are focussing on
Link: https://jp.mitsuichemicals.com/en/release/...

Took years but I think these are on their way to the market now.

TouchFocus™ Next Generation Eyewear to Debut at iOFT Tradeshow | 2017 | Press Release｜MITSUI CHEMICALS, INC.
Link: https://jp.mitsuichemicals.com/e

Mitsui Chemicals, Inc. Press Releases.（2017/TouchFocus™ Next Generation Eyewear to Debut at iOFT Tradeshow）Mitsui Chemicals is a Japanese chemical company which develops business globally. We provide products and services to enrich people’s activities in a wide range of fields such as cars, ... Read more
Clever Dick on January 27, 2021 at 9:43 pm
Idea: Liquid crystal spectacles that changes focal length depending on what you are focussing on
Link: https://youtu.be/tpKWHSsBpnE...

Saw this idea discussed on TED years ago, why are they not a thing already?

Josh Silver demos adjustable liquid-filled eyeglasses
Link: https://youtu.be/tpKWHSsBpnE
Munch on January 27, 2021 at 11:51 am
Idea: Liquid crystal spectacles that changes focal length depending on what you are focussing on
Link: https://patents.justia.com/patents-by-us-c...

Been patented, not sure if the idea has been done, especially to allow your glasses to focus on whatever your eyes are focussing on.

Liquid Crystal Eyewear (glasses, Goggles, Etc.) Patents and Patent Applications (Class 349/13) - Justia Patents Search
Link: https://patents.justia.com/paten

Search for Liquid Crystal Eyewear (glasses, Goggles, Etc.) Patents and Patent Applications (Class 349/13) Filed with the USPTO