Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Measuring anterior chamber depth with Orbscan Topography System

G U Auffarth1, M R Tetz, Y Biazid

  • 1Department of Ophthalmology, Ruprecht-Karls-University of Heidelberg, Germany.

Journal of Cataract and Refractive Surgery
|January 10, 1998
PubMed
Summary

The Orbscan Topography System reliably measures anterior chamber depth (ACD), showing results equivalent to ultrasound and slitlamp methods. This validates Orbscan as a dependable tool for ACD assessment in ophthalmology.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Cataract due to iatrogenic lens trauma during an intravitreal injection-imaging using (intraoperative) optical coherence tomography].

Die Ophthalmologie·2024
Same author

[Hyperferritinemia cataract syndrome].

Die Ophthalmologie·2022
Same author

[Bilateral vasculitis following intravitreal brolucizumab injection].

Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft·2021
Same author

[Opacification of hydrophilic intraocular lens after multiple injections of bevacizumab].

Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft·2018
Same author

[Sudden loss of vision after cosmetic face treatment].

Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft·2017
Same author

[Liquefied Aftercataract Mimicking IOL-Opacification].

Klinische Monatsblatter fur Augenheilkunde·2017

Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Optometry

Background:

  • Accurate anterior chamber depth (ACD) measurement is crucial for ophthalmic procedures, particularly cataract surgery.
  • Traditional methods for ACD assessment include ultrasound biometry and slitlamp examination.
  • The Orbscan Topography System offers advanced 3-D analysis of anterior segment structures.

Purpose of the Study:

  • To evaluate the reliability and accuracy of the Orbscan Topography System for measuring anterior chamber depth (ACD).
  • To compare Orbscan ACD measurements against established control methods.

Main Methods:

  • The study involved measuring ACD in 56 eyes of 37 patients prior to cataract surgery.
  • Measurements were performed using the Orbscan Topography System.

Related Experiment Videos

  • Orbscan data was compared with results from the Grieshaber Biometric System (ultrasound) and the Jäger ACD slitlamp measurement system.

    • Main Results:

    • Mean ACD values were 3.23 mm (Orbscan), 3.27 mm (ultrasound), and 3.10 mm (Jäger).
    • The average difference between Orbscan and ultrasound measurements was minimal (0.04 mm).
    • High correlation coefficients were observed: 0.96 with ultrasound and 0.899 with Jäger measurements (P < .0001).

    Conclusions:

    • Orbscan Topography System measurements for anterior chamber depth are equivalent to established reference methods.
    • The Orbscan system demonstrates high reliability and accuracy for ACD assessment.
    • This suggests Orbscan is a viable tool for pre-operative ophthalmic evaluations.