Fusional Vergence Detected by Prism Bar and Synoptophore in Chinese Childhood Intermittent Exotropia

Table 1

The revised Newcastle Control Score.

	Score
Homing control
XT or monocular eye closure seen
Never	0
<50% of time fixing at distance	1
>50% of time fixing at distance	2
>50% of time fixing at distance + seen at near	3
Clinical control
Near
Immediate realignment after dissociation	0
Realignment with aid of blink or refixation	1
Remains manifest after dissociation or prolonged fixation	2
Manifest spontaneously	3
Distance
Immediate realignment after dissociation	0
Realignment with aid of blink or refixation	1
Remains manifest after dissociation or prolonged fixation	2
Manifest spontaneously	3
Total: NCS = home + near + distance

XT: exotropia.