| Fixation training is usually performed monocularly initially and binocularly afterwards, with a red filter on one eye to control for the presence of binocular suppression. |
| Stimuli were viewed monocularly with the right eye through a circular mask 3.5 deg in diameter. |
| The test should be performed binocularly and then monocularly. |
| The two snapshots were presented monocularly and sequentially, being separated by a brief time interval. |
| Three normal and six monocularly deprived galagos served as subjects for these experiments. |
