Angle Kappa and angle Alpha agreement between Pentacam Scheimpflug system, swept source optical coherence tomography and ray-tracing aberrometry

Zhang, Wanping; Hu, Jun; Zhao, Qiuya; Lv, Xiangyun; Liang, Siting; Hu, Jun

doi:10.1016/j.pdpdt.2023.103876

Photodiagnosis and Photodynamic Therapy

2024

DOI: 10.1016/j.pdpdt.2023.103876

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Angle Kappa and angle Alpha agreement between Pentacam Scheimpflug system, swept source optical coherence tomography and ray-tracing aberrometry

Wanping Zhang,

Jun Hu,

Qiuya Zhao

et al.

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2024

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Cited by 1 publication

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Distribution of angle alpha and angle kappa offsets among adult candidates for cataract surgery

Neuman,

Abulafia,

Wasser

et al. 2024

Graefes Arch Clin Exp Ophthalmol

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Purpose The current study aimed to describe the distribution of angle alpha and angle kappa offsets as well as their associated ocular biometric parameters in a large population of candidates for cataract surgery. Methods This cross-sectional retrospective study included 8,119 eyes of 4,781 candidates for cataract surgery (mean age 70.7 ± 12.9 years). There were 49.9% right eyes, and 53.0% patients were females. The angles offset and ocular biometric parameters were measured by the IOLMaster 700 (Carl Zeiss Meditec, AG, Germany). Results Patient’s age and gender, and most of their ocular biometric measurements were similar for the right and left eyes except for pupil diameter (4.01 ± 1.18 vs. 3.92 ± 1.14 mm, respectively, P < 0.001). The angle alpha offset magnitude was similar for the right and left eyes (0.50 ± 0.20 and 0.51 ± 0.21 mm, P = 0.08), whereas the angle kappa offset magnitude was greater in the right eyes (0.37 ± 0.21 vs. 0.33 ± 0.20 mm, P < 0.001). The angle kappa offset magnitudes were greater in the right eyes compared to the left eyes for both males (0.36 ± 0.21 vs. 0.33 ± 0.21 mm, respectively, P < 0.001) and females (0.37 ± 0.20 vs. 0.34 ± 0.20 mm, respectively, P < 0.001). The offset magnitudes of both angles varied significantly according to gender, eye laterality, angle location, and biometric parameters (e.g., axial length). The offset magnitudes of both angles were positively correlated in both right and left eyes. Conclusions The offset magnitudes of both the angle alpha and angle kappa present significant variations according to gender, eye laterality, angle location, and biometric parameters, such as AL. These values are also population-specific.

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Distribution of angle alpha and angle kappa offsets among adult candidates for cataract surgery

Neuman,

Abulafia,

Wasser

et al. 2024

Graefes Arch Clin Exp Ophthalmol

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Angle Kappa and angle Alpha agreement between Pentacam Scheimpflug system, swept source optical coherence tomography and ray-tracing aberrometry

Cited by 1 publication

References 25 publications

Distribution of angle alpha and angle kappa offsets among adult candidates for cataract surgery

Distribution of angle alpha and angle kappa offsets among adult candidates for cataract surgery

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