That big “E” at the top of your doctor’s eye chart tells you whether you need glasses - but it also tells you a lot about the physics happening inside your eyes. We put human visual acuity to the test - in our office, and across a city.
That big “E” at the top of your doctor’s eye chart tells you whether you need glasses - but it also tells you a lot about the physics happening inside your eyes. We put human visual acuity to the test - in our office, and across a city.