Abstract：
OBJECTIVE:To determine whether the abducens nerve is present in patients with type 2 Duane's retraction syndrome (DRS). DESIGN:Retrospective, observational case series. PARTICIPANTS:Twelve consecutive patients diagnosed with type 2 DRS. METHODS:A retrospective review of medical records of ophthalmologic examination and thin-sectioned magnetic resonance imaging (MRI) at the brainstem level and the orbit was performed on 12 patients who showed the typical signs of type 2 DRS, including adduction deficit; globe retraction; narrowing of fissure on adduction; and upshoot, downshoot, or both. MAIN OUTCOME MEASURES:Presence of the abducens nerve and any other extraocular muscle abnormalities discovered by MRI scan. RESULTS:Magnetic resonance imaging revealed the presence of the abducens nerve in all the affected eyes (n = 13) of 12 patients with type 2 DRS. CONCLUSIONS:The abducens nerve is present on the affected side in type 2 Duane's retraction syndrome.
journal_name
Ophthalmologyjournal_title
Ophthalmologyauthors
Kim JH,Hwang JMdoi
10.1016/j.ophtha.2011.08.001subject
Has Abstractpub_date
2012-02-01 00:00:00pages
403-6issue
2eissn
0161-6420issn
1549-4713pii
S0161-6420(11)00745-7journal_volume
119pub_type
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