Behavioral Optometry and Vision Therapy research

The extreme visual skills of an Apache fighter pilot

The extreme visual skills of an Apache fighter pilot

My VT friend Diane Calvert from New Zealand shared a very cool excerpt with me from a book called “Apache” by Ed Macy about Apache fighter pilots in Afghanistan. Earlier I blogged about a different kind of ‘Vision Therapy’ during which a blind man learned how to see with his…continue reading →

Session 42: Accommodation versus Vergence?

The visual system, as far as your actual eyes are concerned, consists of two systems which have to be in tune with each other. On the one hand there is the accommodation system which makes sure the image you see is clear and sharp. On the other hand there is…continue reading →

Strabismus is less a problem to be cured than a problem to be controlled

Surgery's lack of success in achieving good binocularity and the troubling trend of repeated surgeries and recurrance of the strabismus has predicably lead surgeons to have low expectations of the the results of strabismus surgery. In a recent journal article, one surgeon noted that "strabismus is less a problem to…continue reading →
Analysis of strabismus and its symptoms, patient prognosis and success rate of Vision Therapy

Analysis of strabismus and its symptoms, patient prognosis and success rate of Vision Therapy

My awesome friend and medical student Stephanie Johanns found the success rates of Vision Therapy for me through a medical search engine. She got me the Optometric clinical practice guidlines for the care of patients with accommodative and vergence dysfunction published by the American Optometric Association. She wanted me to have this…continue reading →

Introduction to guidelines for treating vergence and accommodative disorders

In previous generations, when survival depended on the ability to hunt, fish, and farm, the visual system had to respond to constantly changing, distant stimuli. Good distance visual acuity and stereoscopic vision were of paramount importance. Today, the emphasis has shifted from distance to two-dimensional near vision tasks such as…continue reading →