A full version app for iPhone, by Liingo Eyewear Inc.

It is the most convenient, affordable, and easy-to-use way for you to check your vision. You can use Liingo to see if your current prescription is correct, and if it is, you can easily switch to new glasses or contact lenses. This app is designed to help you save money and time. You don’t have to go to an eye clinic or optometrist’s office. You can simply scan your current glasses and get all the information you need.

You will be able to see the sphere power, the cylinder power, the axis, and the PD. This information will be provided in a table and a graph. You can use Liingo to see if your current prescription is correct. You can also use Liingo to find out if you need to switch to new glasses or contact lenses.