Do you need glasses, but purchased that Android handset instead? Thanks to MIT, you can see just how bad your vision is using a $2 box that refracts the image displayed on the screen of your Android smartphone. The Camera Culture team at MIT’s Media Lab has taken the parts of a holographic barcode scanning device to create this $2 box which, when used with the app, manipulates a set of lines and dots and spits out a prescription. This app was developed by MIT to easily find glasses for people in developing countries, which would also save the optometrist some time, allowing more people to be helped.
Source: Engadget
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