September 2016
Volume 57, Issue 12
Open Access
ARVO Annual Meeting Abstract  |   September 2016
Evaluation of waterclefts by anterior segment OCT
Author Affiliations & Notes
  • Hisanori Miyashita
    Kanazawa Medical University, Kahoku, Japan
  • Hiromi Osada
    Kanazawa Medical University, Kahoku, Japan
  • Eri Shibuya
    Kanazawa Medical University, Kahoku, Japan
  • Naoki Tanimura
    Kanazawa Medical University, Kahoku, Japan
  • Teppei Shibata
    Kanazawa Medical University, Kahoku, Japan
  • Kazuyuki Sasaki
    Kanazawa Medical University, Kahoku, Japan
  • Eri Kubo
    Kanazawa Medical University, Kahoku, Japan
  • Hiroshi Sasaki
    Kanazawa Medical University, Kahoku, Japan
  • Footnotes
    Commercial Relationships   Hisanori Miyashita, None; Hiromi Osada, None; Eri Shibuya, None; Naoki Tanimura, None; Teppei Shibata, None; Kazuyuki Sasaki, None; Eri Kubo, None; Hiroshi Sasaki, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science September 2016, Vol.57, 2515. doi:
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      Hisanori Miyashita, Hiromi Osada, Eri Shibuya, Naoki Tanimura, Teppei Shibata, Kazuyuki Sasaki, Eri Kubo, Hiroshi Sasaki; Evaluation of waterclefts by anterior segment OCT. Invest. Ophthalmol. Vis. Sci. 2016;57(12):2515.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose : Waterclefts (WC), which develop by cleavage at the Y suture and deteriorate visual function, are sometimes difficult to detect by transillumination image. In this study, we compared the detection rate between anterior segment optical coherence tomography (OCT) and Scheimpflug slit image.

Methods : Of participants of Monzen Eye Study, an epidemiological study for ocular disease in residents of Monzen town, Ishikawa, 134 eyes of 70 subjects (67.8±10.3 yrs.) were examined under maximum mydriasis in November 2015. Using slit lamp examination, cataracts were classified by one doctor. Lens images were obtained by both anterior segment OCT (CASIA2, Tomey) and anterior segment analysis system (EAS-1000, Nidek), and WC were diagnosed from vertical/horizontal sectional views in the central 3-mm diameter area of the pupil. The rate of cases where it was possible to image the posterior capsule was included too. Eyes with an intraocular lens
were excluded. Statistical analysis was performed using chi-square test.

Results : WC were present in 48 of the 134 eyes (35.8%). The detection rate of WC with CASIA2, 41 eyes (85.4%) was significantly higher than that with EAS-1000, 28 eyes (58.3%) (p<0.01). The posterior capsule were observed in 134 eyes (100%) by using CASIA2, significantly higher than in 60 eyes (44.8%) by using EAS-1000 (p<0.001).

Conclusions : Objective evaluation of WC, a lenticular change that affects visual function, is highly important. By using anterior segment OCT CASIA2, it is possible to image the posterior segment of the lens, which is effective to clearly detect and diagnose WC.

This is an abstract that was submitted for the 2016 ARVO Annual Meeting, held in Seattle, Wash., May 1-5, 2016.

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