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Table 1 The Revised Newcastle Control Score

From: A randomized trial evaluating efficacy of overminus lenses combined with prism in the children with intermittent exotropia

Control of exodeviation will be measured at Home and the Clinic using the revised Newcastle Control Score (NCS)
Distance (6 m): fixing on an accommodative target
Near (1/3 m): fixing on Lang near-viewing stick or a similar accommodative target
The scale below applies to both distance and near separately.
Home control Score
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 blinking or re-fixation 1
  Remains manifest after dissociation or prolonged fixation 2
  Manifest spontaneously 3
Distance
  Immediate realignment after dissociation 0
  Realignment with aid of blinking or re-fixation 1
  Remains manifest after dissociation or prolonged fixation 2
  Manifest spontaneously 3
Total NCS = home + near+ distance.  
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