In our society, if a person has problems with their vision, he will be very convenient to see an ophthalmologist to correct it. But if you are in a developing country, it will be much more difficult to have an eye exam and quality. To make eye exams more convenient, Hong Sheng Chiong, an ophthalmologist in New Zealand, recently developed a 3D printed ophthalmic test tool that can be easily used with just a smartphone with a camera and an app.
In general, tools for ophthalmic examinations include slit lamp microscopes, fundus cameras, etc., which are extremely expensive. Therefore, building an eye center often requires tens of thousands of dollars. In view of this, Chiong, a primary ophthalmologist at Dunedin Hospital in New Zealand, recently established oDocs Eye Care, a company specializing in the creation and supply of open-source, 3D printed ophthalmology-related medical devices.
“I believe that vision is one of the most important sensory perceptions. If you lose it, it will affect your independent viability, your work, your confidence and your self-esteem,†Chiong said.
To date, oDocs has released smartphone retina imaging adapters and front-end adapters that can be easily fabricated using a 3D printer and some special lenses. These low-cost 3D printing tools have 40-degree field of view and 10x magnification, comparable to professional medical equipment.
To use these devices, all you have to do is assemble the 3D printed parts and lenses with a few nut bolts and attach them to your smartphone for use with the oDocs Eye app already installed. However, Chiong also stressed that to make these tools usable, the print quality and accuracy of 3D printers are very important. He used the Ultimaker 2+ himself, which was able to print out all the parts in just 4 hours. According to Chiong, the total cost of the 3D printed eye care tool will not exceed $50, which is convenient for doctors working in underdeveloped areas.
oDocs was founded in 2014 and has won several awards and innovations in New Zealand, but Chiong and his team are still working to achieve their vision. “It’s like volunteering to help others,†Chiong explained. “When you have successfully helped others, you will be thanked and smiled, and they give me the motivation to continue working. â€
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