A Chicago TV Host Knows Restaurants. She Has Some Ideas for You.

A Chicago TV Host Knows Restaurants. She Has Some Ideas for You.

Catherine De Orio has been to hundreds of restaurants for the show “Check, Please.” She has recommendations for where to eat in Chicago — and beyond.

Electroretinography

Electroretinography is a test to measure the electrical response of the eye’s light-sensitive cells, called rods and cones. These cells are part of the retina (the back part of the eye).