Journal Reviews

Association of asthenopia and heterophoria

1 June 2016 | | Paediatric Ophthalmology / Strabismus | Aligning prism, associated phoria, asthenopia, circadian rhythm, heterophoria, self-selected prism, vergence position of rest

Heterophoria varies over time and asthenopic symptoms may be greater when the heterophoria is larger. Thus a close intra-individual correlation may exist between heterophoria and discomfort during reading. The authors investigated the variability of both parameters in 20 individuals who...