Publication details

Detecting binocular diplopia in orbital floor blowout fractures: Superiority of the orthoptic approach

Authors

TIMKOVIČ Juraj STRÁNSKÝ Jiří HANDLOS Petr JANOŠEK Jaroslav TOMÁŠKOVÁ Hana ŠTEMBÍREK Jan

Year of publication 2021
Type Article in Periodical
Magazine / Source Medicina
MU Faculty or unit

Faculty of Medicine

Citation
Doi http://dx.doi.org/10.3390/medicina57090989
Keywords diplopia;orthoptic examination;orbital blowout fractures;orbit;maxillofacial surgery;ocular motility disorder
Description Background and Objectives: In patients with orbital floor blowout fracture (OFBF), accurate diagnosis of ocular motility disorder is important for decisions about conservative or surgical therapy. However, the accuracy of the traditional test for detecting binocular diplopia/ocular motility disorder using a moving pencil or finger (hereinafter, “finger test”) has been generally accepted as correct and has not been subject to scrutiny so far. Hence, its accuracy relative to full orthoptic examination is unknown. Materials and Methods: In this paper, the results of the “finger test” were compared with those derived from a complex examination by orthoptic tests (considered “true” value in patients with OFBF). Results: “Finger test” detected ocular motility disorder in 23% of patients while the full orthoptic examination proved much more efficient, detecting ocular motility disorder in 65% of patients. Lancaster screen test and test with color filters were the most important tests in the battery of the orthoptic tests, capable of identifying 97.7% and 95.3% of patients with ocular motility disorder, respectively. Still, none of the tests were able to correctly detect all patients with ocular motility disorder in itself. Conclusions: As the presence of ocular motility disorder/binocular diplopia is an important indication criterion for the surgical solution of the orbital floor blowout fracture, we conclude that a complex orthoptic evaluation should be always performed in these patients.

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