Tag: 21 point

Free Space Testing and Continuous Refraction

Free Space testing and Continuous Refraction Reflecting on the Kraskin Memorial Lecture ICBO 2006 Bryan T Smith BOptom, FCOVD, FACBO (reprinted here with permission of the author) At the 5th International Congress of Behavioural Optometry (ICBO) 2006, Dr. Robert B.…