From Vision Monday:
NEW YORK—Warby Parker is stepping into the controversial field of online vision testing with the launch of a mobile refraction service that lets current customers measure their visual acuity using an app. Called the Warby Parker Prescription Check the test “helps eligible folks with expired eyeglasses prescriptions get a new one—without setting foot in a doctor’s office,” according to the company’s promotional literature.

As per post in the general Forum WP has now entered the eye testing industry.

How will this affect the Canadian optical scene, and what to do about it.