Cross-cut: `contact-lens`

Axis: form_factor

14 corpus entries disclose this tag.

Earliest disclosure: 1984

Listed in chronological order. Each entry’s prior_art_notes and disclosure_citation constitute the citeable prior art material.

Neuromancer — Molly’s mirrored ocular implants with embedded data readout (1984)

id: neuromancer-mirrorshade-ocular-implants
corpus: fictional
form factor: implantable
creator: William Gibson
disclosure: Gibson, William. Neuromancer, Ace Books, 1984; surgically inset mirrored lenses sealing the eye sockets, with a time display and other readouts projected into the wearer’s field of view.
ip status: fictional
prior art notes: Discloses surgically implanted ocular lenses that present a head-up data readout (clock and other status) in the wearer’s visual field — an early implanted-AR-display concept. Relevant to ocular-implant / AR-contact-lens claims combining ‘an implanted or contact-lens optical element’ and ‘an overlaid data readout in the visual field’. § 103 motivation as of 1984 — predating [[cyberpunk-2020-cyberoptics-and-interface-plugs]] (1988) and [[rainbows-end-ar-contact-lens]] (2006). Non-enabling.

Rainbows End AR contact lenses and ‘wearing’ (2006)

id: rainbows-end-ar-contact-lens
corpus: fictional
form factor: contact-lens
creator: Vernor Vinge
disclosure: Vinge, Vernor. Rainbows End. Tor Books, 2006 — augmented-reality contact lenses plus clothing-integrated compute (‘wearing’), with gaze and gesture control, persistent shared overlays, view-sharing, and a developer ecosystem of competing AR platforms.
ip status: fictional
sensors: sensor-camera-eye, sensor-camera-rgb
algorithms: algo-eye-gaze-tracking
prior art notes: Among the most specific fictional anticipations of modern AR eyewear: discloses (a) AR contact lenses rendering registered overlays, (b) clothing-integrated computing and sensing as the host platform, (c) gaze tracking and subtle gesture as the primary input modality, (d) multi-user shared/synchronized overlays and view-sharing, and (e) an open developer ecosystem with competing AR layers. Relevant to AR-contact-lens claims, gaze-controlled AR claims, and shared/collaborative-AR claims. § 103 motivation, circa 2006, toward essentially the entire modern AR-eyewear feature set. Non-enabling on optics and power; pair with enabling contact-lens-display and low-power-display art.

Sensimed Triggerfish (2009) — the only commercially shipping smart contact lens (24-h intraocular pressure monitoring for glaucoma) (2009)

id: sensimed-triggerfish-iop-contact-lens-2009
corpus: private
form factor: contact-lens
creator: Sensimed SA (founders: Bertrand Mercier, Matteo Leonardi)
disclosure: Sensimed SA (Lausanne, Switzerland). ‘Triggerfish’ continuous 24-h intraocular pressure (IOP) monitoring contact lens system, CE-marked Class IIa 2009, FDA De Novo (DEN150040) granted March 2016. A soft hydrogel contact lens with embedded strain-gauge antenna whose resonance frequency shifts with circumferential deformation of the cornea (a proxy for IOP), wirelessly read by a periorbital adhesive antenna patch. The only smart contact lens to reach the commercial market for any indication. https://www.sensimed.ch
ip status: patented
sensors: sensor-strain-gauge
prior art notes: Discloses a commercially-shipped smart contact lens for continuous, wirelessly-read measurement of a physiological parameter (intraocular pressure proxy via cornea circumferential strain) — the first and so far only smart contact lens cleared for commercial use anywhere in the world. Anticipates smart-contact-lens claims combining ‘a soft ophthalmic contact lens’, ‘an embedded strain or other sensor measuring a physiological parameter’, ‘wireless readout to a body-mounted patch’, and ‘continuous monitoring over a clinically-meaningful interval (24 hours)’ from 2009. Anchor for the contact-lens × shipped-medical-device cross-cut; complement to [[yao-parviz-2011-contact-lens-glucose-sensor]] (academic), [[verily-google-smart-contact-lens-2014]] (private, never shipped), and [[mojo-vision-ar-contact-lens-2022]] (AR, never shipped).

Pandey et al. (2010) — ‘A fully integrated RF-powered contact lens’ (the disclosure root of ambient-RF-powered wearables) (2010)

id: pandey-2010-rf-powered-contact-lens
corpus: academic
form factor: contact-lens
creator: Jagdish Pandey / Yu-Te Liao / Andrew Lingley / Ramin Mirjalili / Babak Parviz / Brian Otis (University of Washington)
disclosure: Pandey J, Liao Y-T, Lingley A, Mirjalili R, Parviz B, Otis BP. ‘A fully integrated RF-powered contact lens with a single element display.’ IEEE Transactions on Biomedical Circuits and Systems 2010;4(6):454-461. (Inductive RF power harvesting at sub-microwatt budget on a custom CMOS IC integrated onto a contact lens, driving a single-pixel display, with bidirectional wireless data.)
ip status: public-domain
sensors: sensor-camera-eye
prior art notes: The canonical academic disclosure of a complete RF-powered wearable system on a contact lens: ambient-RF energy harvesting + custom sub-microwatt CMOS + integrated single-pixel display + bidirectional wireless data, all on a soft contact-lens substrate. Foundational prior art for any wearable claim reciting ‘an ambient-RF-powered sub-microwatt CMOS system on a body-worn substrate’ — covers not just contact-lens claims but the broader ambient-RF-powered wearable system architecture (applies to smart rings, hearables, patches, implants). Pair with later follow-ons by the same group and Pourshaban et al. for the dual-mode harvesting variant ([[pourshaban-2024-dual-mode-contact-lens-harvester]]).

Yao et al. (Parviz group) (2011) — contact lens with embedded electrochemical sensor for tear glucose (2011-03-15)

id: yao-parviz-2011-contact-lens-glucose-sensor
corpus: academic
form factor: contact-lens
creator: Hung Yao / Babak A. Parviz et al. (University of Washington)
disclosure: Yao H, Shum AJ, Cowan M, Lähdesmäki I, Parviz BA. ‘A contact lens with embedded sensor for monitoring tear glucose level.’ Biosensors and Bioelectronics 2011;26(7):3290-3296.
ip status: public-domain
sensors: sensor-glucose-cgm, sensor-optical-glucose
algorithms: algo-glucose-noninvasive
prior art notes: Discloses a soft contact lens with an embedded amperometric glucose-oxidase electrochemical sensor and integrated interconnects to measure glucose in the tear film — a corneal-contact noninvasive glucose monitor. Anticipates contact-lens biosensor claims combining ‘a soft ophthalmic contact lens’, ‘an embedded electrochemical sensor at the lens surface’, and ‘detection of an analyte in the tear film (glucose)’ from 2011. Anchor for the contact-lens × biosensor cross-cut on the real side; relevant to [[rainbows-end-ar-contact-lens]] (the fictional AR-lens antecedent) and to the Google/Verily ‘smart contact lens’ patent estate.

Mission: Impossible – Ghost Protocol — contact-lens camera and document scanner (2011-12-16)

id: mi-ghost-protocol-contact-lens-camera
corpus: fictional
form factor: contact-lens
creator: Brad Bird / Paramount Pictures
disclosure: Mission: Impossible – Ghost Protocol (Paramount Pictures), released December 16, 2011; contact lenses that capture imagery on a deliberate double-blink, store and wirelessly transmit it, and scan documents for relay to a body-worn printer.
ip status: fictional
sensors: sensor-camera-rgb, sensor-camera-eye
prior art notes: Discloses a corneal contact lens incorporating an image sensor, triggered by an intentional eyelid gesture (double-blink), with on-lens or near-body storage and wireless transmission of the captured imagery. Relevant to contact-lens claims combining ‘a contact lens’, ‘an image sensor’, ‘a blink-detection trigger’, and ‘wireless transmission of captured images’. § 103 motivation that the camera-bearing, blink-triggered contact lens was an articulated objective by 2011. Non-enabling on lens-scale optics/power; pair with enabling contact-lens-electronics art.

Google[X] / Verily smart contact lens (2014) — tear-glucose-sensing contact lens project (2014-01-16)

id: verily-google-smart-contact-lens-2014
corpus: private
form factor: contact-lens
creator: Google[X] / Verily Life Sciences (Brian Otis, Babak Parviz, et al.)
disclosure: Google[X] (Brian Otis, Babak Parviz). ‘Smart contact lens’ project, publicly disclosed 16 January 2014 — a soft contact lens with an embedded miniature glucose sensor, antenna, and wireless interface to a phone, intended to continuously measure tear glucose. Later transferred to Verily (Alphabet’s life-sciences arm) and licensed to Novartis/Alcon; the program was reported wound down c. 2018 without a shipping product, but the underlying patent estate (Otis et al., Parviz et al.; e.g. US 8,608,310; US 9,184,698 and continuations) is extensive.
ip status: patented
sensors: sensor-glucose-cgm, sensor-optical-glucose
algorithms: algo-glucose-noninvasive
prior art notes: Discloses a soft contact lens with an embedded miniature electrochemical glucose sensor, antenna, and wireless interface for continuous tear-glucose monitoring — a major industrial follow-on to [[yao-parviz-2011-contact-lens-glucose-sensor]]. Anticipates smart-contact-lens claims combining ‘a soft ophthalmic lens’, ‘an embedded biosensor’, and ‘wireless transmission of the sensed analyte’ from 2014; the extensive associated patent family is itself prior art on most subsequent contact-lens-biosensor and embedded-lens-electronics claims. Product-side anchor for the contact-lens × biosensor cross-cut.

Bandodkar & Wang (2014) — ‘Non-invasive wearable electrochemical sensors: a review’ (2014-07)

id: bandodkar-wang-2014-wearable-electrochemical-sensors-review
corpus: academic
form factor: other
creator: Amay J. Bandodkar / Joseph Wang (UC San Diego)
disclosure: Bandodkar AJ, Wang J. ‘Non-invasive wearable electrochemical sensors: a review.’ Trends in Biotechnology 2014;32(7):363-371.
ip status: public-domain
sensors: sensor-lactate, sensor-electrolyte, sensor-ph, sensor-glucose-cgm, sensor-alcohol-transdermal, sensor-uric-acid, sensor-cortisol
algorithms: algo-electrolyte-trend, algo-hydration-status
prior art notes: Surveys, as of 2014, wearable non-invasive electrochemical biosensors across body fluids and form factors — temporary-tattoo electrodes on the skin (sweat lactate, Na+, ammonium, pH), textile-integrated sensors, mouthguard (saliva) sensors, contact-lens (tear glucose) sensors, and the transdermal/interstitial route — including the sampling, transduction, and on-body electronics issues. Prior art for wearable-electrochemical-sensing claims reciting any of the analyte/form-factor combinations collected here; the approaches were published by 2014. General anchor for the electrochemical wearable cross-cuts.

Black Mirror ‘Z-Eye’ ocular implant with selective people-redaction (‘White Christmas’) (2014-12-16)

id: black-mirror-z-eye-redaction
corpus: fictional
form factor: implantable
creator: Charlie Brooker / Zeppotron
disclosure: Black Mirror, ‘White Christmas’ (Channel 4, 16 December 2014); the ‘Z-Eye’ ocular implant lets a user ‘block’ another person, who is thereafter rendered as a featureless grey silhouette with muffled audio in the user’s perception (and the block is reciprocal).
ip status: fictional
prior art notes: Discloses an ocular implant that performs real-time, person-specific augmented-reality redaction — recognizing an individual in view and replacing their appearance and voice with an obscured rendering. Relevant to AR-eyewear / AR-implant claims combining ‘person recognition’, ‘a user-defined block list’, and ‘real-time obscuring of the recognized person in the rendered view’. § 103 motivation that AR person-redaction was an articulated objective by 2014. Cf. [[they-live-hoffman-lenses]] (the inverse — revealing rather than hiding).

id: black-mirror-nosedive-rating-overlay
corpus: fictional
form factor: implantable
creator: Charlie Brooker / Rashida Jones / Michael Schur / House of Tomorrow
disclosure: Black Mirror, ‘Nosedive’ (Netflix, 21 October 2016); an ocular implant paired with a handset overlays every person in view with their live aggregate social rating, updated continuously from peer ratings of every interaction.
ip status: fictional
sensors: sensor-camera-rgb
prior art notes: Discloses an ocular AR device that recognizes people in view and renders a live reputation/score badge beside each, with the score continuously updated from crowd ratings of interactions. Relevant to AR-eyewear claims combining ‘person recognition’, ‘retrieval of a per-person reputation metric’, and ‘real-time overlay of the metric on the recognized person’. § 103 motivation that the AR reputation overlay was an articulated objective by 2016. Cf. [[dragon-ball-z-scouter]] (an earlier scan-and-display-a-metric eyewear).

Heikenfeld et al. (2018) — ‘Wearable sensors: modalities, challenges, and prospects’ (2018-01-16)

id: heikenfeld-2018-wearable-sensors-lab-on-chip-review
corpus: academic
form factor: other
creator: Jason Heikenfeld et al.
disclosure: Heikenfeld J, Jajack A, Rogers J, Gutruf P, Tian L, Pan T, Li R, Khine M, Kim J, Wang J, Kim J. ‘Wearable sensors: modalities, challenges, and prospects.’ Lab on a Chip 2018;18(2):217-248.
ip status: public-domain
sensors: sensor-ppg, sensor-ecg, sensor-eeg, sensor-glucose-cgm, sensor-lactate, sensor-cortisol, sensor-skin-temperature, sensor-bioimpedance
prior art notes: Authoritative 2018 review collecting wearable sensing across modalities — physical (motion, BCG/SCG, mechanoacoustic), electrophysiological (ECG/EMG/EEG), optical (PPG/SpO2, near-IR), thermal, electrochemical (sweat, saliva, tears, interstitial), and stimulation-coupled — across form factors (patch, watch, tattoo, contact lens, garment) and the challenges of body-fluid sampling, calibration, motion-artifact handling, and skin-electronics interfacing. Prior art establishing that the modality/form-factor combinations enumerated here were collected and surveyed by 2018; useful against later claims to those combinations. General anchor.

XPANCEO smart contact lens (2024) — Dubai-based AR/biosensor contact lens project (2022)

id: xpanceo-ar-contact-lens-2024
corpus: private
form factor: contact-lens
creator: XPANCEO (founders: Roman Axelrod, Dr. Valentyn Volkov)
disclosure: XPANCEO (Dubai, UAE). Smart contact lens project — founded 2021, public demonstrations at CES 2024 / 2025; raised >US$40M to date across multiple rounds; demonstrated working prototypes integrating tunable optics, image projection, eye-tracking, and biochemical sensing within a soft contact lens. The most active contact-lens player as of 2026 in the wake of Mojo Vision’s pivot. https://xpanceo.com
ip status: patented
sensors: sensor-camera-eye
prior art notes: Discloses ongoing development of a smart contact lens integrating an embedded display, eye/gaze tracking, and biochemical sensing on a soft ophthalmic contact lens, with substantial venture funding and CES demos. Even without a shipped product, the public demos and disclosures constitute prior art as of 2024 against subsequent contact-lens claims. Complements [[mojo-vision-ar-contact-lens-2022]] (the previous AR-lens project that paused) and [[sensimed-triggerfish-iop-contact-lens-2009]] (the only commercially-shipped smart contact lens).

Mojo Vision Mojo Lens (2022) — wearable AR contact lens with embedded microLED display (2022-06)

id: mojo-vision-ar-contact-lens-2022
corpus: private
form factor: contact-lens
creator: Mojo Vision, Inc.
disclosure: Mojo Vision, Inc. ‘Mojo Lens’, publicly demonstrated June 2022 — a scleral contact lens with an embedded ~14k-PPI microLED display in the wearer’s central field of view, an ARM Cortex processor, eye-tracking via motion sensors, a magnetometer for gaze direction, a microwave radio for offload, and a wirelessly charged battery; rendering an AR information overlay on the cornea. (The consumer AR-glucose pivot followed; production halted c. 2023.)
ip status: patented
sensors: sensor-accelerometer, sensor-gyroscope, sensor-magnetometer
algorithms: algo-eye-gaze-tracking
prior art notes: Discloses a contact lens with an embedded microLED display in the central visual field, on-lens processing, gaze tracking via inertial/magnetic sensors, wireless RF link, and a wirelessly charged on-lens battery — i.e. an AR display contact lens worn on the cornea. Anticipates AR-contact-lens claims combining ‘a contact lens’, ‘an embedded near-eye microdisplay’, ‘on-lens processing and motion sensors for gaze’, and ‘a wireless link’ from 2022. Product-side anchor for the contact-lens × visual-display cross-cut; cf. [[rainbows-end-ar-contact-lens]] (the 2006 fictional anticipation).

Pourshaban et al. (2024) — dual-mode (solar + RF) energy-harvesting contact lens delivering 150 μW at 3.3 V (2024)

id: pourshaban-2024-dual-mode-contact-lens-harvester
corpus: academic
form factor: contact-lens
creator: Ehsan Pourshaban et al.
disclosure: Pourshaban E, et al. Dual-mode photovoltaic + RF harvesting contact lens delivering up to ~150 μW continuous power at 3.3 V into an 11 mF supercapacitor — combining solar harvesting (eyes open) with RF harvesting (eyes closed), on a 0.13 μm CMOS IC with ~0.2 mm² die area, ~47% RF-to-DC conversion efficiency. Work conducted at the University of Washington / now at Texas Instruments.
ip status: public-domain
prior art notes: Discloses a dual-mode ambient energy-harvesting front-end for an on-eye contact lens combining photovoltaic harvesting (eye open) with inductively-coupled RF harvesting (eye closed) into a single supercapacitor-buffered power rail at ~150 μW continuous — the architectural template for any battery-free wearable that must operate continuously across changing ambient conditions. Prior art for ring/patch/implant claims reciting ‘a wearable with two or more energy-harvesting modalities operating complementarily with a shared energy buffer’ from 2024.

Cross-cut: contact-lens