Anterior Segment Analysis and Evaluation of Corneal Biomechanical Properties in Children with Joint Hypermobility
Journal Title: Turkish Journal of Ophthalmology - Year 2020, Vol 50, Issue 2
Abstract
Objectives: To compare anterior segment parameters and biomechanical analysis of the cornea in children with joint hypermobility (JH) and healthy children. Materials and Methods: Cross-sectional case-control study. Fifty eyes of 25 children with JH were compared with 74 eyes of 37 healthy age- and sex-matched controls in terms of refractive, anterior segment topographic, and corneal biomechanical measurements. Axial length (AL) was measured with a Nidek AL-Scan biometry device; corneal-compensated intraocular pressure (IOPcc), Goldmann-correlated IOP (IOPg), corneal hysteresis (CH), and corneal resistance factor (CRF) were measured with a Reichert ocular response analyzer (ORA). Central corneal thickness (CCT), anterior chamber depth (ACD), K1/K2 values, iris diameter, and anterior chamber volume (ACV) were measured with a Sirius topography device. Results: Mean age in the JH group was 10.56±4.03 years, while that of the control group was 11.27±2.59 years (p=0.23). Spherical equivalent was -0.22±1.02 diopter (D) in the JH group and -0.12±1.12 D in the control group (p=0.60); CCT was 23.01±0.82 µm in the JH group and 23.17±0.82 µm in the control group (p=0.33). There were no significant differences between the two groups in terms of age, sex, IOP, IOPcc, IOPg, CH, CRF, AL, K1, K2, iris diameter, ACD, and ACV. Conclusion: JH, which causes increased flexibility of the joints, was concluded not to cause a significant change in the corneal biomechanical markers of CRF and CH or in anterior segment topographic parameters.
Authors and Affiliations
Sadık Etka Bayramoğlu, Nihat Sayın, Dilbade Yıldız Ekinci, Nuray Aktay Ayaz, Mustafa Çakan
Keywords
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