April 2014
Volume 55, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2014
Infrared imaging for detecting intraocular conditions in edematous corneas
Author Affiliations & Notes
  • Yukiko Morita
    Department of Ophthalmology, Yamaguchi University Sch of Med, Ube, Japan
  • Footnotes
    Commercial Relationships Yukiko Morita, None
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Investigative Ophthalmology & Visual Science April 2014, Vol.55, 2480. doi:
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    • Get Citation

      Yukiko Morita, ; Infrared imaging for detecting intraocular conditions in edematous corneas. Invest. Ophthalmol. Vis. Sci. 2014;55(13):2480.

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

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Abstract

Purpose: To investigate the imaging method for detecting intraocular structural changes in the eye with stromal edematous corneas, we applied infrared camera for observing intraocular structure.

Methods: Ten of subjects (5 males and 5 females, mea age 59.3+/-31.5 y-o, range 2-87 y-o) with corneal stromal edema (5 of bullous keratopathy, 3 of Peters’ anomaly and 2 of failure graft) was enrolled in this study. The infrared observation mode and white-light observation mode of an infrared camera Meibopen (JFC, Tokyo, Japan) was applied to observe intraocular structure.

Results: Through the edematous corneas, it was difficult to observe intraocular structure such as iris shapes, pupil shapes or existence of iridectomy at peripheral iris under white-light observation mode. Under using infrared observation mode enabled us to visualize the existence of iridectomy in 2 eyes out of 5 bullous keratopathy corneas, in 1 eyes out of 2 failured graft. In all subjects, the shape of pupil was observable. Especially in Peters’ anomaly subjects, the adhered iris was detectable in all Peters’ subjects.

Conclusions: Infrared camera was successfully applied to detect the intraocular structure such as the existence of iridectomy or pupil shape which were not detectable by using white-light observation. Infrared observation was more effective for detecting abnormal structure in congenital corneal opacities.

Keywords: 479 cornea: clinical science • 550 imaging/image analysis: clinical • 484 cornea: stroma and keratocytes  
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