Optical Device Characterization Using RFID Data Carrier
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Solution Overview
Problem
The contact lens industry faces challenges in distinguishing between left and right lenses, determining the correct orientation of lenses for proper use, and tracking the wear life of lenses, leading to potential eye damage and safety concerns due to misalignment and prolonged use beyond recommended schedules.
Innovation Solution
Incorporating a data carrier, such as an RFID tag, onto the optical device that emits data signals regarding the lens's characteristics, orientation, and wear life, allowing for easy identification and tracking through external signals, enabling users to correctly position the lenses and ensuring timely replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If visual inspection of identifying marks is used to distinguish left and right lenses, then lens identification is possible, but the method is undecipherable for users with impaired vision and requires time-consuming manual inspection
Solution Approach 1:
The patent replaces manual visual inspection with an automated optical measurement system that uses light sources, detectors, and image processing to automatically identify lens characteristics and determine left/right orientation, eliminating the need for users to manually inspect identifying marks
Solution Approach 2:
The patent introduces an intermediary measurement system between the lens and the user's visual inspection process. The system captures images of the lens, processes them computationally, and provides automated identification results, serving as a mediator that translates physical lens features into actionable identification information
2Reliability
If subjective manual methods are used to verify lens orientation, then users can attempt to determine correct positioning, but the methods are time-consuming and present a low chance for correct determination
Solution Approach 1:
The patent replaces subjective manual orientation verification with an automated optical measurement system that objectively measures lens parameters, compares them against reference data, and definitively determines correct orientation, eliminating subjectivity and improving accuracy
Solution Approach 2:
The patent implements a feedback mechanism where the measurement system provides objective information about lens orientation status to the user, enabling them to verify correct positioning with high confidence rather than relying on subjective manual assessment
3Reliability
If no automated tracking system is implemented, then lens wear life monitoring is not possible, but users cannot track when lenses should be replaced to prevent eye damage
Solution Approach 1:
The patent replaces manual tracking attempts with an automated measurement and tracking system that objectively monitors lens wear time, compares it against recommended schedules, and provides replacement reminders, ensuring eye safety through systematic tracking
Solution Approach 2:
The patent implements a self-service tracking system where the measurement device automatically records lens usage data, calculates wear time, and generates replacement notifications without requiring user intervention, making the safety tracking function autonomous
Data Source
AI summary
A method and system for determining the orientation of an optical device, the optical device having data carrier means for carrying data related to the optical device, the data carrier having data carrier means operable in at least one of an electrical mode and a magnetic mode; the data carrier means being associated with an optical device by at least at least one of the group of depositing on or printing on a posterior surface or anterior surface of the optical device, including the data carrier with the optical device material, wherein data carrier means emits a data signal periodically or in response to a external signal from an external means.