AmblyoPatch was born from the Clinical Binocular Vision course, where Carol AU, Thomas CHAN, and Kenny CHOW set out to improve amblyopia treatment. Inspired by their personal struggles and professional advice, the team created a prototype that uses adjustable polarizers to support binocular vision, unlike traditional patches. The process was full of challenges, especially learning 3D modeling and printing from scratch.
Thanks to guidance from PolyU mentors and the Industrial Centre, they overcame setbacks and improved their design with each iteration. Balancing this project with other academic commitments taught them valuable lessons in time management and collaboration. Achieving 2nd runner-up in the innovation competition was rewarding, but more importantly, the team developed new skills and a deeper commitment to making a difference in clinical practice.
Ms. AU Tsz Ching Carol
Mr. CHAN Ka Hei Thomas
Mr. CHOW Ho Yin Kenny
School of Nursing
Faculty of Health and Social Sciences
The team applied knowledge of how the eyes work together to achieve binocular vision, understanding the challenges faced by patients with amblyopia and other binocular problems. This foundation allowed them to design a solution that supports the development of binocular function rather than simply occluding one eye.
The team recognized the limitations of conventional patching therapy, which blocks the better eye and can hinder binocular vision development. By innovating with adjustable polarizers, they addressed both the need to stimulate the amblyopic eye and the importance of maintaining some binocular input, reflecting a nuanced understanding of amblyopia management.
The team prototype was designed to be useful in both assessing and training patients with binocular vision issues. They considered patient comfort, compliance, and the practicalities of home training, showing an understanding of how clinical devices must be tailored to real-world patient needs for effective outcomes.
The team sought feedback from pediatric optometrists and professors, integrating their clinical expertise into your design improvements. This demonstrates the importance of interdisciplinary collaboration and the application of specialized knowledge in pediatric eye care.
The team measured the transmittance of polarizers and understood how adjusting light intensity and contrast can affect visual function. This required applying principles of optical physics and engineering to create a device that is both clinically effective and user-friendly.
The team identified the limitations of conventional amblyopia treatments and developed an innovative prototype, AmblyoPatch, to address these issues. This required analyzing existing solutions, understanding patient needs, and creatively designing a new approach—skills essential for tackling complex problems in any field.
None of the team members had prior experience with 3D modeling or printing. Learning to use design software and 3D printing technology from scratch, with guidance from the Industrial Centre, demonstrates adaptability and the ability to acquire new technical skills—crucial in today’s rapidly evolving world.
The project’s success depended on effective teamwork, clear communication, and seeking feedback from professors, optometrists, and mentors. Collaborating with diverse experts and sharing ideas helped refine the prototype and ensured the project progressed smoothly.
The team faced multiple setbacks, including failed prototypes and time constraints. Instead of giving up, you learned from each failure, improved their design, and persisted until they achieved a successful outcome. This resilience is vital for lifelong learning and personal growth.
Balancing the demands of prototype development, coursework, and other responsibilities required strong time management and organizational skills. Adjusting schedules, prioritizing tasks, and meeting deadlines are essential abilities for managing multiple commitments effectively.
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