The effect of anterior transposition of the inferior oblique muscle on eyelid configuration and function.
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Date
2016-01
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Abstract
Purpose: To evaluate the alteration of lower lid configuration and function with anterior transposition
surgery of the inferior oblique (IO) muscle. Patients and Methods: A prospective clinical trial was
conducted on a consecutive series of patients underwent anterior transposition of the IO as a sole operation.
All patients received a thorough ophthalmic examination 1 day before and 3 months after surgery. Output
parameters were consisted of palpebral fissure, margin reflex distance 1–2, lower lid function, hertel
value, and lower lid crease. The differences of the collected data were calculated for statistical significance
by using the Wilcoxon test. Results: A total of 19 eyes of 16 consecutive patients were included. The
median preoperative grade of IO overaction was 3.5 (ranging from 3 to 4), which decreased to 0 (ranging
from 0 to 2) postoperatively (P < 0.05). No significant change was observed in all parameters 3 months
postoperatively (P > 0.05). Conclusion: In this study, no significant effect on lower lid configuration and
function was observed following IO anterior transposition in which the disinserted muscle was placed
posterior to inferior rectus insertion.
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Keywords
Inferior eyelid function, inferior oblique anterior transposition, lower lid crease, palpebral fissure
Citation
Göncü Tuğba, Çakmak Sevim, Akal Ali, Oğuz Halit. The effect of anterior transposition of the inferior oblique muscle on eyelid configuration and function. Indian Journal of Ophthalmology. 2016 Jan; 64(1): 33-37.