Adjustable Vision Cone for Standardized Eye Movement Detection
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Solution Overview
Problem
Existing devices for detecting eye movements lack the ability to take series of measurements under different conditions of distance between the face and visual stimuli, limiting the flexibility and accuracy of ocular and neurological disorder assessments.
Innovation Solution
A cone of vision device with an adjustable distance between the patient's forehead and the computing unit, allowing for standardized measurements by using spacers to maintain a fixed length, combined with features like through-holes for varied visual stimuli, partitions for each eye, and a removable cover for camera calibration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed distance between the face and computer screen is used, then the device structure is simple, but the ability to take series of measurements under different distance conditions is lost
Solution Approach 1:
The device is divided into modular components: a fixed chamber portion and an adjustable spacer system. The spacers can be independently added or removed to change the distance between the face and screen, allowing the device to adapt to different measurement conditions without redesigning the entire structure.
Solution Approach 2:
The distance between the face and screen is made dynamically adjustable through the spacer mechanism. The spacers can be configured in different numbers and positions to create variable fixed distances, enabling the device to adapt to different measurement requirements while maintaining structural integrity during each measurement.
2Adaptability or versatility
If the chamber depth is fixed, then manufacturing is simpler, but series of measurements under different distance conditions cannot be performed
Solution Approach 1:
The chamber depth is segmented into a fixed base portion and an adjustable spacer portion. This segmentation allows the main chamber to be manufactured with standard dimensions while the depth adjustment is achieved through interchangeable spacers, simplifying the manufacturing of the core structure.
Solution Approach 2:
The spacers serve multiple functions: they extend the chamber depth, provide structural support, and enable distance adjustment. This multi-functionality reduces the need for separate components and simplifies the overall manufacturing process while achieving adjustable depth capability.
3Measurement precision
If environmental effects are eliminated by enclosing the setup, then measurement accuracy improves, but the device becomes less portable
Solution Approach 1:
The enclosing chamber is designed as a compact, self-contained unit that can be easily assembled and disassembled. The modular structure with defined entry/exit points allows the chamber to provide environmental control while maintaining a portable form factor that can be transported and set up as needed.
Data Source
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AI summary
The invention relates to a viewing cone (10) for detecting the movement of the eyes of a patient, the viewing cone (10) comprising a chamber (12) having a first end (121) and a second end (122), a lateral wall (14) bounding the chamber (12) between the first end and the second end, a periphery (18) of an opening (16) intended to be in contact with the forehead of the patient at the first end (121), and attachment interface (20) for attachment to a processing unit at the second end (122), the distance between the periphery (18) of the opening (16) and the attachment interface (20) being adjustable to a fixed length by means of one or more spacers that form the lateral wall (14). The invention also relates to a device for detecting the movement of the eyes of a patient, comprising the viewing cone and a method for detecting the movement of the eyes of a patient.