Journal of Otolaryngology and Ophthalmology of Shandong University ›› 2020, Vol. 34 ›› Issue (6): 112-117.doi: 10.6040/j.issn.1673-3770.0.2020.008

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The position of ciliary processes in glaucoma patients and their clinical significance

ZHAO Dongdong, ZHAI Yuxi, LU Haohao, ZHANG Ruochen, GAO Jianlu   

  1. Department of Ophthalmology, Liaocheng People's Hospital / Liaocheng Hosptial affiliated to Shandong First Medical University, Liaocheng 252000, Shandong, China
  • Published:2021-01-11

Abstract: Objective The study aimed to identify the correlation between the position of ciliary processes and other biological parameters in primary glaucoma patients and control group. These data may provide evidence for precise treatment in transscleral cyclophotocoagulation. Methods A total of thirty primary glaucoma patients and ten age matched healthy controls were enrolled in the study. Glaucoma patients were divided into 3 groups; acute primary angle closure glaucoma(APACG), chronic primary angle closure glaucoma(CPACG)and primary open angle glaucoma(POAG). All subjects underwent the A-scan and ultrasound biomicroscopy examinations. The parameters measured included angle open distance(AOD), trabecular-iris angle(TIA), trabecular-ciliary body process angle(TCA), ciliary body process height(CBTmax), the projected position of the ciliary body(a), anterior chamber depth(ACD), lens thickness(LT), axial length(AL). Results Both control group and POAG group are greater than APACG group and CPACG group in parameters of AOD、TIA and TCA, and the differences are statistically significant. However, the differences in AOD、TIA and TCA between control group and POAGand between APACG and CPACG were not statistically significant. The parameters of CBTmax in the control group was higher than that in the POAG, APACG, and CPACG groups(P<0.05), but the differences among POAG, APACG, and CPACG groups were not statistically significantly. Compared to the control group, the position of ciliary body in the APACG group was the most forward, followed by CPACG group, with statistically significant differences. However, the differences of ciliary body position between the POAG group and the control group were not statistically significantly. Furthermore, the parameters of ACD, LT, AL, and the len relative position were highly correlated with parameters of AOD, TIA, TCA, and the ciliary body projected position(P<0.001). Conclusion Compared with normal and POAG patients, the projected position of the ciliary body in PACG patients is forward. UBM can guide precise transscleral cyclophotocoagulation by positioning the ciliary process in glaucoma patients.

Key words: Ciliary body position, Parameters of anterior segment in eye, Ultrasound biomicroscop

CLC Number: 

  • R775.9
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