Visa for Dependent of Individuals with Extraordinary Ability or Achievement or their Staff O-3 Visa The Visa for Dependent of Individuals with Extraordinary Ability or Achievement or their Staff (in the U.S., the O-3 Visa) is designated for dependents of Extraordinary Ability or Achievement or their staff (in the U.S., O-1 and O-2 visa holders). In the United States, this includes spouses and unmarried children under the age of 21. While O-3 visa holders are not permitted to work in the U.S., they are allowed to study. The duration of the O-3 visa is typically tied to that of the principal O-1 or O-2 visa holder