April 2010
Volume 51, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2010
Comparison of Anterior Segment Time Domain Optical Coherence Tomography and High Frequency Ultrasound Biomicroscopy for Anterior Segment
Author Affiliations & Notes
  • N. Cardascia
    Oftalmologia, Policlinico Bari, Bari, Italy
  • S. Guerriero
    Oftalmologia, Policlinico Bari, Bari, Italy
  • P. Ferreri
    Oftalmologia, Policlinico Bari, Bari, Italy
  • C. Furino
    Oftalmologia, Policlinico Bari, Bari, Italy
  • F. Boscia
    Oftalmologia, Policlinico Bari, Bari, Italy
  • M. Vetrugno
    Oftalmologia, Policlinico Bari, Bari, Italy
  • Footnotes
    Commercial Relationships  N. Cardascia, None; S. Guerriero, None; P. Ferreri, None; C. Furino, None; F. Boscia, None; M. Vetrugno, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science April 2010, Vol.51, 2333. doi:https://doi.org/
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      N. Cardascia, S. Guerriero, P. Ferreri, C. Furino, F. Boscia, M. Vetrugno; Comparison of Anterior Segment Time Domain Optical Coherence Tomography and High Frequency Ultrasound Biomicroscopy for Anterior Segment. Invest. Ophthalmol. Vis. Sci. 2010;51(13):2333. doi: https://doi.org/.

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

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Abstract

Purpose: : To compare anterior segment parameters using quantitative imaging by anterior segment time domain optical coherence tomography (TD-OCT) and high frequency ultrasound biomicroscopy (HF-UBM).

Methods: : At Department of Ophthalmology at Bari University 63 eyes of 39 subjects had anterior segment evaluation by TD-OCT (Stratus OCT, ver. 6. Carl Zeiss Inc) and HF-UBM (OTI-Scan HF35-50). Central corneal thickness (CCT), anterior chamber depth (ACD) (measured from the central corneal endothelium to the anterior lens capsule), and the peripheral iridocorneal angles (temporal and nasal) were assessed and compared.

Results: : There was an excellent correlation between TD-OCT and HF-UBM measurements for the nasal angle (r=0.81; P<.0001), temporal angle (r=0.84; P<.0001), ACD (r=0.95; P<.0001), and CCT (r=0.94; P<.0001). There was no significant difference (paired t test) between the mean ACD, CCT, and angle parameters measured by TD-OCT or HF-UBM. The TM-OCT images showed sharper definition of the scleral spur than the HF-UBM images.

Conclusions: : Anterior segment TD-OCT and HF-UBM can both be used for anterior segment measurements with comparable results.

Keywords: anterior segment • imaging methods (CT, FA, ICG, MRI, OCT, RTA, SLO, ultrasound) • anterior chamber 
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