RFID Tagged Contact Lens Case for Wearable Life Tracking
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Solution Overview
Problem
Users often fail to track the wearable life of contact lenses, leading to prolonged use beyond expiration dates, which poses serious safety concerns including increased risk of eye infections and vision problems.
Innovation Solution
A method and system that utilize data carriers, such as RFID tags, embedded in ophthalmic products to track the wearable life by recording activation times and processing expiration data, ensuring timely replacement and preventing bacterial buildup and eye deterioration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If users manually track contact lens wear time, then replacement scheduling is possible, but user compliance and accuracy deteriorate over time
Solution Approach 1:
The contact lens container system automatically tracks lens wear time and manages replacement scheduling without requiring user intervention. The system self-monitors usage duration, calculates remaining wearable life, and provides automated alerts, eliminating the need for users to manually track and remember replacement dates.
Solution Approach 2:
The system provides continuous feedback to users about lens wear status through automated alerts and notifications. The container communicates remaining wearable life and replacement timing to the user, enabling informed decision-making and improving compliance with replacement schedules.
2Ease of operation
If contact lenses are used beyond expiration dates, then user convenience increases, but eye safety deteriorates
Solution Approach 1:
The system proactively notifies users before the expiration date is reached, allowing them to prepare for timely lens replacement. By providing advance warning and calculating remaining wearable life, the system enables users to replace lenses before expiration without disrupting their routine, thus maintaining both convenience and safety.
Solution Approach 2:
The patent replaces manual tracking methods with an automated electronic monitoring system using RFID tags and wireless communication. This substitution eliminates human error and forgetfulness, providing reliable, objective tracking of lens wear time to prevent unsafe extended use.
3Measurement precision
If detailed tracking data is collected, then wear life accuracy improves, but data management complexity increases
Solution Approach 1:
The patent extracts the data processing and management functions from the contact lens container itself and relocates them to a remote server or cloud-based system. The container only needs to collect and transmit basic usage data, while complex processing, storage, and analysis are performed externally, reducing the complexity burden on the wearable device.
Solution Approach 2:
The system introduces a remote server or intermediary processing system that acts as a mediator between the simple data-collecting container and the user interface. This intermediary handles the complex tasks of data validation, wear life calculation, and alert generation, allowing the container to remain simple while achieving high measurement precision.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively ensures that contact lenses are replaced as prescribed, reducing the risk of eye infections and maintaining eye health by providing timely alerts for lens replacement, thus enhancing user safety and compliance with prescription schedules.
Implementation Method 1
Each lens includes an RFID tag that provides a lens identification code and other lens data. The RFID tag is readable by an RFID reader at the point of sale and/or by a device such as a cell phone or PDA.
Implementation Method 2
the data carrier having a first device operable in a magnetic and/or electrical mode
Data Source
AI summary
A method for tracking the wearable life of an ophthalmic product, the method comprising the steps of: providing the ophthalmic product with at least one data carrier for carrying data related to the ophthalmic product, the data carrier having a first device operable in a magnetic and/or electrical mode; providing an activation signal from an external means; activating the first device with the activation signal to cause the first device to emit the data in response to the activating signal; recording the time the first device is interrogated, processing the received data to determine the wearable life of the ophthalmic product based on the lapsed time.