| Score |
| Home control | |
| XT or monocular eye closure seen: | |
| Circle appropriate score | |
| Never | 0 |
| <50% of time fixing in distance | 1 |
| >50% of time fixing in distance | 2 |
| >50% of time fixing in distance + seen at near | 3 |
| Clinic control | |
| Circle appropriate score near and distance | |
| Near | |
| Immediate realignment after dissociation | 0 |
| Realignment with aid of blink or re-fixation | 1 |
| Remains manifest after dissociation/prolonged fixation | 2 |
| Manifest spontaneously | 3 |
| Distance | |
| Immediate realignment after dissociation | 0 |
| Realignment with aid of blink or re-fixation | 1 |
| Remains manifest after dissociation/prolonged fixation | 2 |
| Manifest spontaneously | 3 |
| Total NCS: (Home + Near + Distance) = | |