Eye Muscle Strain as the Cause of Dizziness & Headaches (PDF)

Symptoms of Vertical Heterophoria (PDF)

White Paper: A Common and Treatable Cause of Dizziness, Headache and Anxiety Refractory to Standard Treatments: Vertical Heterophoria (PDF)

Effects of Prismatic Spectacle Lenses on Symptoms of Dizziness, Headache and Anxiety as Caused by Vertical Heterophoria (PDF) Current In-office Research Project

Pediatric Vertical Heterophoria Symptom Questionnaire (PDF)

Guideline for Patient Referral (PDF)

Adult Vertical Heterophoria Questionnaire (PDF)

Effects of Drugs on Eye Movements Spreadsheet (PDF)

Adult Patient Brochure (PDF)

Child Patient Brochure (PDF)

Dr Raymond Roy Articles (link)

Traumatic Brain Injury and Vision Related Articles (link)

Small Amount of Prism to Treat Eye Misalignment – Articles (link)