Subjective Optometry System with Identifier-Based Data Retrieval
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Solution Overview
Problem
In a subjective optometry system with multiple devices, it is difficult to grasp which device requires initial setting data such as objective measurement data and previous glass data, leading to inefficiencies in examination processes.
Innovation Solution
A system comprising multiple subjective optometry devices, each with a calibration optical system, an information processor, and a reader that uses identifiers to acquire and set initial values for optical characteristics based on stored objective measurement and previous glass data, allowing easy management and retrieval of data across devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple subjective optometry devices are connected to enable examination from various places, then accessibility and versatility are improved, but it becomes difficult to grasp which device requires initial setting data, increasing operational complexity
Solution Approach 1:
The system provides feedback by displaying, for each connected subjective optometry device, whether it holds necessary initial setting data (objective measurement data and previous glass data). This visual feedback mechanism allows operators to quickly identify which devices require initial setting without having to physically inspect or manually check each device, thus resolving the complexity issue while maintaining multi-device accessibility
Solution Approach 2:
The control device acts as an intermediary between multiple subjective optometry devices and the operator. It centralizes the management of initial setting data by receiving data from objective measurement devices and lens meters, storing it in databases, and providing information about which subjective optometry devices have the necessary data. This intermediary role simplifies the operator's task of identifying devices needing initial setting
2Productivity
If multiple subjective optometry devices are connected to improve examination efficiency, then productivity is improved, but it becomes difficult to manage and retrieve initial setting data across devices, increasing time loss
Solution Approach 1:
The control device performs preliminary actions by automatically acquiring objective measurement data and previous glass data from connected devices and storing them in databases before they are needed for subjective measurement. This advance preparation ensures that when a subjective optometry device needs initial setting, the required data is already available and properly associated, eliminating time loss in data retrieval and setup
Solution Approach 2:
The system provides real-time feedback to operators about the data status of each subjective optometry device, clearly indicating which devices have the necessary initial setting data and which do not. This feedback mechanism enables operators to quickly identify devices ready for use versus those requiring initial setting, significantly reducing the time lost in device identification and setup across multiple connected devices
Data Source
AI summary
A subjective optometry system includes a plurality of subjective optometry devices and a database which stores at least any data of objective measurement data and previous glass data in association with each identifier. Each of the subjective optometry devices includes a calibration optical system, an information processor, and a reader which is connected to the information processor, reads an identifier prepared for each examinee, and outputs information about the read identifier to the information processor. The information processor acquires at least one of the objective measurement data and the previous glass data corresponding to the identifier from the database based on the identifier received from the reader, and sets an initial value of the calibration optical system used on an occasion of subjectively measuring optical characteristics of a subject eye based on at least one of the objective measurement data and the previous glass data.