Near-Infrared Reflectance Imaging in Eyes with Acute Zonal Occult Outer Retinopathy

Shinji Ueno, Kenichi Kawano, Yasuki Ito, Eimei Ra, Ayami Nakanishi, Masatoshi Nagaya, Hiroko Terasaki

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Purpose: To investigate the confocal scanning laser ophthalmoscopic images obtained with near-infrared (IR) light in eyes with acute zonal occult outer retinopathy (AZOOR). Methods: Observational case series. The medical records of 12 eyes of 10 patients with AZOOR were reviewed. Scanning laser ophthalmoscopic images obtained from the AZOOR eyes were compared with images obtained by spectral-domain optical coherence tomography, by fundus autofluorescence, and by an adaptive optics fundus camera. Results: In 8 of 12 eyes, abnormal hyporeflective areas were detected in the IR images, and the other 4 eyes did not have specific abnormalities in the IR images. The boundaries of the abnormal hyporeflective areas corresponded with the border of the irregularity of photoreceptor inner segment ellipsoid band in the spectral-domain optical coherence tomography images. The cone mosaics of the adaptive optics fundus image were disrupted in the abnormal hyporeflective area of the IR image. However, the areas of fundus autofluorescence abnormalities did not coincide with the hyporeflective areas in the IR images. Conclusion: The presence of hyporeflective areas in the IR images of patients with AZOOR suggests impairment of the photoreceptors area. The IR images would be useful to evaluate eyes with AZOOR.

Original languageEnglish
Pages (from-to)1521-1530
Number of pages10
JournalRetina
Volume35
Issue number8
DOIs
Publication statusPublished - 07-08-2015
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Ophthalmology

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