Which of the following is not a feature of the congenital esotropia: (A) Onset before 6 months, (B) Cross fixation, (C) Inferior oblique overaction, (D) Surgery rarely required
Answer is D. Surgery rarely required Congenital esotropia is the most common form of the esotropia. By definition esotropia that present before 6 month age, are designated as congenital esotropia. Salient features * More common is children with neurological disorder * Equal gender and racial distribution * Cross-Fixation, Nystagmus (Rotatory and latent), Amblyopia * Inferior oblique overaction, dissociated veical detion (DVD), Asymmetrical monocular pursuit. Treat amblyopia pre-operatively * Surgery is the mainstay of treatment of strabismus, and is done before 2 years of age.