1. Pattern Strabismus: where does the brain's role end and the muscle's begin?;Ghasia;J Ophthalmol,2013
2. Loss of fusion and the development of A or V patterns;Miller;J Pediatr Ophthalmol Strabismus,1994
3. Vertically incomitant horizontal strabismus: the so-called “A” and “V” syndromes;Knapp;Trans Am Ophthalmol Soc,1959
4. Diagnosis and surgical management of vertically incomitant horizontal strabismus;Von Noorden;Am J Ophthalmol,1965
5. Monocular vertical displacement of the horizontal rectus muscles in the A and V patterns;Goldstein;Am J Ophthalmol,1967