2 ARC Centre of Excellence in Vision Science, School of Biology, The Australian National University, Canberra, Australia 3 Department of Ophthalmology (Centre for Vision Research, Westmead Millennium ...
Motor fusion is maintained by the vergence mechanism, but with increasing degrees of heterophoria there is increasing demand upon it. Subsequently it struggles to maintain fusion to the point where it ...
Orthophoria is the ideal situation where the visual axes are perfectly aligned. Heterophoria is a latent deviation of the visual axes and heterotropia is the manifest version. At one end of the ...