| 释义 |
physiological exophoria exophoria, physiologicalThe relative exophoria at near, when the heterophoria in near vision is compared to the heterophoria in distance vision. It is, on average, of the order of 3-4 D at a fixation distance of 40 cm. Example: if distance heterophoria is 6 D eso and near heterophoria is 2 D eso, the physiological exophoria is 4 D exo. |