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| 4 | On of the EOMs , function : depression of the eyeball |   
| 6 | On of the EOMs , function : abduction of the eyeball |   
| 7 | On of the CNs , pass through the annulus of zinn , supply all of the EOMs except 2 of them |   
| 8 | On of the CNs , pass through the superior orbital fissure , supply the superior oblique muscle |   
| 9 | Also called iris sphincter muscle , supplied by the 3rd CN , function : constriction of the pupil |   
| 10 | On of the EOMs , function : internal rotation , abduction and depression of the eyeball |   
| 11 | Artery pass through the superior orbital fissure |   
| 12 | Vein comunicates with the angular vein , it pass between the 2 heads of the lateral rectus , and through the superior orbital fissure |   
| 13 | On of the EOMs , function : elevation of the eyeball |   
| 14 | On of the EOMs , function : external rotation , abduction and elevation of the eyeball |   
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| 1 | On of the EOMs , function : elevation of the upper eyelid and maintain the upper eyelid position |   
| 2 | On of the CNs , pass through the dorello’s canal , supply the lateral rectus muscle |   
| 3 | Artery pass to orbit within the dura of the optic nerve |   
| 5 | On of the EOMs , function : addaction of the eyeball |   
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