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. 2022 May 28;11(11):3057.
doi: 10.3390/jcm11113057.

Detection of Anterior Hyaloid Membrane Detachment Using Deep-Range Anterior Segment Optical Coherence Tomography

Haruhiro Mori  1 , Yuta Ueno  1 , Shinichi Fukuda  1 , Tetsuro Oshika  1
Affiliations

Detection of Anterior Hyaloid Membrane Detachment Using Deep-Range Anterior Segment Optical Coherence Tomography

Haruhiro Mori et al. J Clin Med. .

Abstract

The visibility of anterior hyaloid membrane (AHM) and Berger’s space in phakic eyes was investigated. In 624 eyes of 624 patients, the retrolental space was scanned with the deep-range anterior segment optical coherence tomography (AS-OCT, CASIA2, Tomey). Subgroup analysis was conducted in 223 eyes undergoing cataract surgery. The logistic regression analysis using the backward-elimination method was performed to evaluate the influence of various factors on the visibility of AHM (dependent variable). Explanatory variables included age, gender, axial length, corneal power, corneal cylinder, and the Co III gradings. Intrarater repeatability for AHM visibility was excellent with the prevalence-adjusted bias-adjusted kappa (κ coefficient) of 0.90. AHM was observed in 43 eyes (6.9%). The patients with visible AHM (68.1 ± 8.8 years) were significantly older than those without visible AHM (52.6 ± 25.6 years) (p < 0.001). The logistic regression analysis in the cataract surgery subgroup revealed that axial length (p = 0.030) and corneal power (p = 0.043) were significantly associated with AHM visibility. The mean absolute refractive error from target was significantly larger in eyes with visible AHM (0.670 ± 0.384 D) than with invisible AHM (0.494 ± 0.412 D) (p = 0.037). The postoperative refractive prediction was less accurate in eyes with visible AHM, but no significant tendency existed in terms of myopic or hyperopic shifts.

Keywords: Berger’s space; anterior hyaloid membrane; anterior segment optical coherence tomography; anterior vitreous detachment.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Representative AS-OCT images. (Left): Complete detachment of anterior hyaloid membrane (AHM) was observed (arrow heads). (Middle): AHM detachment was partially seen (arrow heads). (Right): AHM was not visible.
See this image and copyright information in PMC

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