About two minutes, with sound. The first of a series: more cases coming.
Paused. Examine her yourself; Resume puts her back and carries on from this step.
- Speed, not range. The slow adducting saccade is the sign. A mild INO may get there in the end, just late.
- Always test convergence. When it is spared, the muscle and its nerve work, so the problem is internuclear rather than a muscle or third nerve palsy. But impaired convergence does not rule out an INO.
- Name it by the eye that won’t adduct. A left INO is a lesion of the left MLF. Check the other side: it is often bilateral.
Measurements are hidden while the diagnosis is hidden. Pupil sizes are shown above.
Non-fixing eye, fusion broken. E/X eso/exo, T manifest, R/L right eye higher; Δ.
| Time | Light | RE | LE | RE−LE |
|---|