International Ophthalmology

, Volume 39, Issue 9, pp 1995–2004 | Cite as

Choroidal volume changes following blow-out fracture repair

  • Kyoung Lae Kim
  • Youn Joo Choi
  • Seong Hwan Shin
  • Sung Pyo ParkEmail author
  • Yong-Kyu KimEmail author
Original Paper



To investigate the serial choroidal volume change following orbital blow-out fracture (BOF) repair.


The choroidal volume was measured by optical coherence tomography in patients who underwent BOF repair, preoperatively and postoperatively at 1, 4, 12 and 24 weeks. The orbital volume ratio (OVR) was obtained by dividing the orbital volume of the traumatized orbit by that of the contralateral side using three-dimensional computed tomography imaging. The choroidal volume change was compared between both eyes using a linear mixed model.


We analyzed the choroidal volume of 11 patients. Choroidal volume showed a trend of slight increase during the immediate postoperative period, and then, choroidal volume decreased abruptly between postoperative 1 to 4 weeks (β-coefficient − 0.22, P < 0.001). Choroidal volume also showed gradual decrease between postoperative 4 to 24 weeks (β-coefficient − 0.02, P < 0.001). During the study period, there were no significant differences in choroidal volume change between BOF and contralateral unaffected eyes (β-coefficient − 0.20, P = 0.711). The hyperopic refractive errors (β-coefficient 0.27, P = 0.028) and the larger preoperative OVR (β-coefficient 10.37, P = 0.013) were associated with larger choroidal volume.


Choroidal volume showed a similar decreasing change following BOF repair between the BOF and the contralateral unaffected eyes. Moreover, choroidal volume of both eyes was associated with the degree of orbital volume expansion due to BOF, suggesting that choroidal volume change after BOF repair was affected not only by trauma-associated local hemodynamic changes but also by systemic influences such as inflammatory response.


Orbital fractures Choroid Optical coherence tomography 



This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science and ICT (2018R1A2B6007809).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.Department of OphthalmologyHallym University College of Medicine, Kangdong Sacred Heart HospitalSeoulSouth Korea

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