trochlear nerve disease: Diseases of the fourth cranial (trochlear) nerve or its nucleus in the midbrain. The nerve crosses as it exits the midbrain dorsally and may be injured along its course through the intracranial space, cavernous sinus, superior orbital fissure, or orbit. Clinical manifestations include weakness of the superior oblique muscle which causes vertical DIPLOPIA that is maximal when the affected eye is adducted and directed inferiorly. Head tilt may be seen as a compensatory mechanism for diplopia and rotation of the visual axis. Common etiologies include CRANIOCEREBRAL TRAUMA and INFRATENTORIAL NEOPLASMS.
| Name | H7_OCUMUSCLE |
|---|---|
| Long name | Disorders of ocular muscles, binocular movement, accommodation and refraction |
| Hospital Discharge registry | ICD-10: H51/H52/H49/H50 |
| Cause of Death registry | ICD-10: H50/H49/H51/H52 |
| Include | H7_PARASTRAB, H7_STRABOTH, H7_BINOCUMOVOTH, H7_REFRAACCOMMODIS |
| Level in the ICD-hierarchy | 2 |
| First defined in version | DF2 |
| All | Female | Male | |
|---|---|---|---|
| Number of individuals | 7861 | 4901 | 2960 |
| Unadjusted prevalence (%) | 3.62 | 3.99 | 3.14 |
| Mean age at first event (years) | 36.10 | 34.49 | 38.77 |
| Case fatality at 5-years (%) | 1.36 | 0.94 | 2.06 |
| All | Female | Male | |
|---|---|---|---|
| Median nb. of events per indiv. | 1.0 | 1.0 | 1.0 |
| Recurrence at 6 months (%) | 25.89 | 25.61 | 26.35 |
before Disorders of ocular muscles, binocular movement, accommodation and refraction
after Disorders of ocular muscles, binocular movement, accommodation and refraction
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