Monofixation syndrome

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Monofixation syndrome
ICD-10 H50.4
ICD-9 378.34
DiseasesDB 33536
eMedicine article/1199953

Monofixation syndrome (microtropia or microstrabismus) is an eye condition defined by less-than-perfect binocular vision.[1] It is defined by a small angle deviation with suppression of the deviated eye and binocular peripheral fusion.[2] A rare condition, microtropia is estimated to affect only 1% of the general population. There are three distinguishable forms of this condition: primary constant, primary decompensating, and consecutive microtropia. It is believed that primary microtropia is a result of a primary sensorial defect, predisposing to anomalous retinal correspondence.[3] Monofixation syndrome is a frequent outcome of surgical treatment of congenital esotropia.[2]


  1. ^ "Monofixation Syndrome: eMedicine Ophthalmology". 
  2. ^ a b Guthrie ME, Wright KW (September 2001). "Congenital esotropia". Ophthalmol Clin North Am 14 (3): 419–24, viii. doi:10.1016/S0896-1549(05)70239-X. PMID 11705141. 
  3. ^ PubMed: Microtopia