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Josh Silver demos adjustable liquid-filled eyeglasses

48.2K views
•
September 1, 2009
by
TED
YouTube video player
Josh Silver demos adjustable liquid-filled eyeglasses

TL;DR

Poor vision is not only a health problem but also an educational, economic, and quality of life problem; a solution using adaptive optics allows individuals to adjust their own prescription eyewear, aiming to provide a billion people with the glasses they need by 2020.

Transcript

I'm going to tell you about one of the world's largest problems and how it can be solved. I'd like to start with a little experiment. Could you put your hand up if you wear glasses or contact lenses, or you've had laser refractive surgery? Now, unfortunately, there are too many of you for me to do the statistics properly. But it looks like -- I'm g... Read More

Key Insights

  • 👓 Poor vision is a global problem, affecting approximately 60% of the developed world's population and estimated to impact at least 150 million people to a billion people worldwide. It is not just a health problem, but also an educational, economic, and quality of life problem.
  • 🌍 Lack of access to eye care professionals is a major barrier to providing corrective eyewear. In some countries in sub-Saharan Africa, there is just one optometrist for every eight million people, highlighting the need for innovative solutions.
  • 🔬 Adaptive optics technology can help address the issue by allowing individuals to adjust their own prescription glasses, eliminating the need for a professional optometrist. This technology has been evolving since 1985 and is currently being used in 15 countries, with a goal to reach a billion people by 2020.
  • 💲 Cost reduction is crucial to making this solution accessible to populations living on a dollar a day. The current cost of the glasses is $19, but further development and research are needed to bring the cost down even further.
  • 🌐 Achieving this vision requires addressing various challenges, such as distribution, fitting, awareness of vision problems, and collaboration with the eyewear industry. Research plays a vital role in finding solutions to these complex issues.
  • 💡 The development of the Center for Vision in the Developing World at the university aims to tackle these challenges and drive progress in providing affordable and accessible eyewear to those in need.
  • 📚 For more information, interested individuals can visit the university's website for the Center for Vision in the Developing World.

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Questions & Answers

Q: How does poor vision impact different aspects of life, besides health?

Poor vision goes beyond health concerns and affects education, economic opportunities, and the overall quality of life. Without proper vision correction, individuals may struggle in school, face limitations in job opportunities, and experience a decreased quality of life due to difficulties in daily activities.

Q: Why are there not enough eye care professionals in developing countries?

Developing countries often face a shortage of eye care professionals due to various factors, including limited resources, lack of training facilities, and the concentration of professionals in urban areas rather than remote or rural regions. This scarcity makes it challenging to provide effective eye care services to meet the demand.

Q: How does the speaker propose solving the global vision problem?

The speaker suggests a solution based on adaptive optics, allowing individuals to adjust their own prescription eyewear. By empowering people to make their glasses, the speaker aims to provide a billion people with the needed corrective eyewear by 2020, with a focus on reducing costs and addressing distribution and fitting challenges.

Q: What are the current limitations of the proposed solution?

While there have been significant advancements in the use of adaptive optics for corrective eyewear, the technology is still evolving. Currently, around 30,000 people in fifteen countries use these glasses. However, the cost needs to be significantly reduced to reach populations living in extreme poverty, who often survive on just one dollar a day. Further research and development are required to overcome distribution, fitting, and industry-related challenges.

Summary & Key Takeaways

  • The global need for corrective eyewear is a significant problem, affecting around half of any population and resulting in health, educational, economic, and quality of life issues.

  • The scarcity of eye care professionals in developing countries poses a challenge in delivering corrective eyewear.

  • The speaker proposes a solution that utilizes adaptive optics, enabling individuals to make their own prescription glasses, with a vision to provide a billion people with the needed eyewear by lowering its cost and addressing distribution and fitting challenges through research.


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