"Frederick W. Brock understood strabismus better than any other individual, yet most vision care professionals have never heard of his work. If they do recognize his name, it is probably in association with the Brock string. That is how I first heard of Dr. Brock. I was a 48-year-old patient in optometric vision therapy who had been esotropic since early infancy. Although I had undergone three childhood surgeries, I continued to alternately fixate, was stereoblind, and had a poor sense of the visual periphery. All of this changed as a result of vision therapy provided by my optometrist, Dr. Theresa Ruggiero. Fascinated by the power of the Brock string and other vision therapy tools, I wanted to learn more about Dr. Brock but discovered that many of his publications were difficult to obtain."
To read more, visit her website at http://www.stereosue.com/ or click on the following link to go straight to the article:
http://www.stereosue.com/wp-content/uploads/2011/04/The-Work-and-Wisdom-of-Dr.-Frederick-W.-Brock.pdf
Susan Barry also recently gave TED Talk on how vision therapy cured her stereoblindness and allowed her to have depth perception for the first time in her life at the age of 48 (and after three ineffective strabismus eye-muscle surgeries):
