April 2012 – Page 2 – MPO Cares | MPO Eyecare

Did You Know ?

We’ve all seen it in optometry offices, DMVs and schools. But did you know that the letter chart used to test vision acuity is called the Snellen chart?  Why such a weird name? Well, that’s because it was developed by opthamologist Herman Snellen in 1862. The concept of 20/20 became a medical term for standard[…]