Normally I'd agree with you, that the established people are trying to crush competition, but I'm not sure it's a good idea to do eye tests with a smartphone app.
It's certainly not something I'd do.
The optician's tests do a lot more than just see whether you can focus right, the tests will give advance warning of conditions that will affect your eyesight.
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It's certainly not something I'd do.
The optician's tests do a lot more than just see whether you can focus right, the tests will give advance warning of conditions that will affect your eyesight.