Narrow- and open-angle measurements with anterior-segment optical coherence tomography and Pentacam™

Dapeng Mou, Jing Fu, Shuning Li, Lan Wang, Xiaozhen Wang, Gewei Wu, Guoping Qing, Yi Peng, Ningli Wang

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


■ BACKGROUND AND OBJECTIVE: To assess the agreement of the Pentacam (Oculus, Wetzlar, Germany) and anterior-segment optical coherence tomography (AS-OCT) in measuring open and narrow angles. ■ PATIENTS AND METHODS: Prospective observational case series in which 39 healthy normal subjects (39 eyes) and 25 patients with narrow angles (37 eyes) were enrolled between May and September 2008. The anterior chamber measurements were performed by AS-OCT and the Pentacam. ■ RESULTS: There was no significant difference in the open-angle measurements between the Pentacam and AS-OCT (P > .05). However, in patients with narrow angles, the average values of nasal and temporal anterior chamber angles taken by the Pentacam were larger than those of AS-OCT (25.5° ± 5.66° and 25.77° ± 5.15° vs 13.40° ± 6.81° and 12.13° ± 6.47°; P < .001). ■ CONCLUSION: Both AS-OCT and the Pentacam can reliably measure anterior chamber angles in healthy normal subjects. The difference in measuring narrow angles by the two instruments was due to inability to view the angle recess or the scleral spur with the Pentacam.

Original languageEnglish
Pages (from-to)622-628
Number of pages7
JournalOphthalmic Surgery Lasers and Imaging
Issue number6
Publication statusPublished or Issued - Nov 2010
Externally publishedYes

ASJC Scopus subject areas

  • Surgery
  • Ophthalmology

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