Sentence examples for centre fixation from inspiring English sources

At the start of the experiment, calibration of the eye position was performed by asking the participant to make 10°, 20°, 30° saccades to the right and left from the centre fixation target.

On the MP-1 microperimeter, fine matrix mapping was performed using 100 points arranged regularly within a square of side length 10° centred at the fixation centre.

At the beginning of each trial, a red or green bar appeared for 1000 ms in the centre of fixation.

The cue appeared at one-quarter the distance between RF centre and fixation point, or at the equivalent location in the opposite visual hemifield on 'attend away' trials.

Three image sequences of 150 frames each were acquired at a single parafoveal location, approximately 0.65° from the centre of fixation.

In the inter-instrument part of the study, image sequences of 150 frames were acquired at 8 parafoveal locations approximately 0.65° from the centre of fixation.

Visual acuity has been shown to decrease as letters are moved further from the centre of fixation, resulting in the loss of visual information.

In the first experiment stimuli comprised of three different patterns were presented within a smoothed annular window centred on fixation that subtended from 3° to 7°.

To minimise eye movements, fixation to the centre of the screen had to be maintained throughout the test sequence presentation for a trial to be correctly completed (Suppl. Fig. S1).

There is evidence of a bias to click directly in front of fixation (centre of the image) when the location is unknown (Buswell, 1935; Tatler, 2007).

Blue dots show the retinal locations corresponding to the centre of the fixation cross during the test.