Table 3: Associated ocular motility abnormalities.

CNPSaccadic dysmetriaImpaired elevationImpaired depressionImpaired SPINONystagmusImpaired convergenceLid anomalyPupil anomaly

Impaired gaze holding1542End: 1
Gaze: 2
Jerk: 3
Multi: 1
17Bilat: 1
Retract: 1
Unilat: 7
Anisoc: 1
Horners: 1
Mid: 1
Miosis: 1
RAPD: 1

Complete gaze palsy33211Gaze: 5
Upbeat: 3
11Retract: 1 Unilat: 4
Anisoc: 1
Horners: 1
Mid: 1

Horizontal gaze palsy36511End: 1
Gaze: 2
Jerk: 2
Multi: 1
Rotary: 1
Upbeat: 2
4Retract: 1
Unilat: 6
Anisoc: 2

Vertical gaze palsy4622CRN: 2
Down: 1
Gaze: 1
Jerk: 2
Rotary: 1
Upbeat: 2
7Retract: 2
Unilat: 8
Anisoc: 3
Mid: 1

Dorsal midbrain syndrome12CRN: 4
Gaze: 1
2Retract: 1LND: 2

INO681Abduct: 2
CRN: 1
End: 1
Gaze: 1
Upbeat: 2
13Unilat: 6Anisoc: 1
Delay: 1

One and a half syndromeAbduct: 1
Jerk: 1
2Unilat: 1

Saccadic palsy371End: 3
Jerk: 1
Rotary: 1
11Bilat: 1
Unilat: 5
Delay: 2
Mid: 2
Miosis: 1

Smooth pursuit palsy3209CRN: 1
End: 3
Gaze: 1
Jerk: 2
Pendular: 1
Rotary: 4
Upbeat: 4
13Bilat: 1
Unilat: 6
Colob: 1
Mid: 1
Miosis: 1

CNP: cranial nerve palsy; SP: smooth pursuit; INO: internuclear ophthalmoplegia; Abduct: abducting nystagmus; CRN: convergence retraction nystagmus; Down: downbeat nystagmus; End: end point nystagmus; Gaze: gaze evoked nystagmus; Jerk: horizontal jerk nystagmus; Multi: multivector nystagmus; Bilat: bilateral ptosis; Retract: lid retraction; Unilat: unilateral ptosis; Colob: iris coloboma; Delay: sluggish reaction; LND: light-near dissociation; Mid: mid-dilated pupils; RAPD: relative afferent pupillary defect.