May 2007
Volume 48, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2007
Optical Coherence Tomography in Patients With Macular Edema Resolution After Treatmant for Branch Retinal Vein Occlusion
Author Affiliations & Notes
  • T. Sekiryu
    Ophthalmology, Fukushima Medical University, Fukushima, Japan
  • M. Ichiro
    Ophthalmology, Fukushima Medical University, Fukushima, Japan
  • T. Iida
    Ophthalmology, Fukushima Medical University, Fukushima, Japan
  • M. Saito
    Ophthalmology, Fukushima Medical University, Fukushima, Japan
  • Footnotes
    Commercial Relationships T. Sekiryu, None; M. Ichiro, None; T. Iida, None; M. Saito, None.
  • Footnotes
    Support None.
Investigative Ophthalmology & Visual Science May 2007, Vol.48, 3446. doi:
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    • Get Citation

      T. Sekiryu, M. Ichiro, T. Iida, M. Saito; Optical Coherence Tomography in Patients With Macular Edema Resolution After Treatmant for Branch Retinal Vein Occlusion. Invest. Ophthalmol. Vis. Sci. 2007;48(13):3446.

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

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Abstract

Purpose:: To assess microstructural changes of the retina in the eye with resolved macular edema after branch retinal vein occlusion (BRVO) using OCT-ophthalmoscope (OCT-O).

Methods:: Retrospective observational case series. Nineteen patients with macular edema resolution after the treatment for BRVO. All patients had neither cystoid macular edema in slit lamp examination nor protrusion of fovea in OCT-O. The sectional images of OCT-O through the center of the fovea and the area of BRVO was observed. The measurements included final visual acuity, angle of involved area around fovea and treatments for BRVO.

Results:: Boundary between the inner and outer segments of the photoreceptors (IS/OS) and the lamellar structure of the inner retina were disappeared in the area that was affected to BRVO. In addition, IS/OS disappeared in the side that was not affected with BRVO (9/19). In these eyes, visual acuity significantly decreased compared to the eye which had IS/OS in the side of the healthy retina (p=0.001). Angle of the involved area around fovea, treatments for BRVO were not affect to final visual acuity.

Conclusions:: The higher resolution of OCT-O facilitates imaging of the IS/OS junction. IS/OS in the area of not affected side was damaged in macular edema due to BRVO. This loss of IS/OS may explain poor visual acuity in eyes with resolved macular edema.

Keywords: retina • imaging/image analysis: clinical • vascular occlusion/vascular occlusive disease 
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