May 2003
Volume 44, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2003
A Compative Study: Orbscan II vs. Ultrasound Biomicroscopy as a Method to Assess the Anterior Chamber Depth
Author Affiliations & Notes
  • B. Perez
    Asociacion Para Evitar la Ceguera en Mexico (APEC), Mexico, Mexico
  • C. Orlich
    Asociacion Para Evitar la Ceguera en Mexico (APEC), Mexico, Mexico
  • D.S. Reyes
    Asociacion Para Evitar la Ceguera en Mexico (APEC), Mexico, Mexico
  • C.F. Velasco
    Asociacion Para Evitar la Ceguera en Mexico (APEC), Mexico, Mexico
  • J. Ozorno
    Asociacion Para Evitar la Ceguera en Mexico (APEC), Mexico, Mexico
Investigative Ophthalmology & Visual Science May 2003, Vol.44, 2579. doi:
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      B. Perez, C. Orlich, D.S. Reyes, C.F. Velasco, J. Ozorno; A Compative Study: Orbscan II vs. Ultrasound Biomicroscopy as a Method to Assess the Anterior Chamber Depth . Invest. Ophthalmol. Vis. Sci. 2003;44(13):2579.

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

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Abstract

Abstract: : Purpose: Evaluate the accuracy and reliability of the optic method (Orbscan II) and compare it with the ultrasound method (ultrasound microscopy) as a method to assess the anterior chamber depth in patients who ask for refractive surgery Methods: A prospective, comparative and descriptive study. We measured the anterior chamber depth in 36 eyes of 20 patients (mean age 32.02) using the Orbscan II topography system (Orbtek, Inc.) and the ultrasound biomicroscope P40 (Humphrey instruments, Inc.) Results: Mean anterior chamber depth values measured with the Orbscan system were 3.06 ± 0.26 mm; ultrasound system measurements were 3.09 ± 0.26 mm. The correlation coefficient between the Orbscan and ultrasound systems was 0.98 Conclusions: There is a good correlation between the Orbscan II and ultrasound biomicroscope measures of the anterior chamber depth. There no exist a significant difference between the optic and ultrasound methods to assess the anterior chamber depth. The Orbscan II topography system provide an accuracy and reliable measure of the anterior chamber depth

Keywords: anterior chamber • depth • refractive surgery: phakic IOL 
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