Abstract
Purpose
To investigate the characteristics and associations of anterior lens zonules lengths in cataract patients via ultrasound biomicroscope (UBM) measurement.
Methods
Patients with age-related cataracts and high myopic cataracts who planned to undergo cataract surgery were included in the study. After routine ophthalmic examinations, the UBM was performed on both eyes to get images of the anterior lens zonules, and Image J software was used to measure the lengths of the lens zonules. Axial length (AL), anterior chamber depth (ACD), lens thickness (LT), and white-to-white (WTW) diameter of both eyes were obtained by IOL Master 700. Univariate and multivariate regression analyses were used to assess associated factors of anterior lens zonules lengths.
Results
Forty-nine patients with age-related cataracts and 33 patients with high myopic cataracts were enrolled. High myopic cataract patients were younger and had longer anterior lens zonules. Multivariate regression analysis showed that anterior lens zonules lengths were associated with axial lengths (temporal location: β = 0.036, P = 0.029; nasal location: β = 0.034, P = 0.011; superior location: β = 0.046, P = 0.002) and ACD (inferior location: β = 0.305, P = 0.016) in right eyes. In left eyes, anterior lens zonules lengths were associated with axial lengths (temporal location: β = 0.028, P = 0.017; inferior location: β = 0.026, P = 0.016; nasal location: β = 0.033, P < 0.001) and ACD (inferior location: β = 0.215, P = 0.030; superior location: β = 0.290, P = 0.011).
Conclusions
High myopic cataract patients have longer anterior lens zonules. AL and ACD contributed to the lengths of anterior lens zonules. Thus, for patients with long AL and deeper ACD, lens zonules measurement was crucial.
Clinical trial registration: www.chictr.org.cn identifier is ChiCTR2300071397.
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Funding
This study was supported by the Postdoctoral projects of Xi’an People’s Hospital (2022LBSH11).
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Conceptualization: all authors; methodology: XG, LT, BM; formal analysis and investigation: XG, QD, JH, TZ, LT, BM; writing—original draft preparation: XG; writing—review and editing: XG, LT, BM; funding acquisition: XG; resources: LT, BM; supervision: LT, BM.
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Gu, X., Duan, Q., He, J. et al. Distribution and associations of anterior lens zonules lengths in patients with cataract. Graefes Arch Clin Exp Ophthalmol (2024). https://doi.org/10.1007/s00417-024-06379-z
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DOI: https://doi.org/10.1007/s00417-024-06379-z