hallux varus hallux varus hallux varus is a deformity of the great toe joint where the hallux (great toe) is deviated medially (towards the midline of the body) away from the first metatarsal bone. the hallux usually moves in the transverse plane. unlike hallux valgus, also known as hallux abducto valgus or bunion, hallux varus is uncommon in the west but it is common in cultures where the population remains unshod. hallux varusother namessandal gapa right foot with hallux varusspecialtyorthopedic photos radiography of the left foot of a young male showing progressive hallux varus