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Autofluorescence imaging of pingueculae
  1. Canan Asli Utine, MD, MSc (cananutine{at}gmail.com),
  2. Sinan Tatlipinar (statlipinar{at}yeditepe.edu.tr),
  3. Muhsin Altunsoy MD (maltunsoy{at}yeditepe.edu.tr),
  4. Deniz Oral (doral{at}yeditepe.edu.tr),
  5. Demir Basar MD (dbasar{at}yeditepe.edu.tr),
  6. Levent M Alimgil MD (lalimgil{at}yeditepe.edu.tr)
  1. Yeditepe University Eye Hospital, Turkey
  2. Yeditepe University Eye Hospital, Turkey
  3. Yeditepe University Eye Hospital, Turkey
  4. Yeditepe University Eye Hospital, Turkey
  5. Yeditepe University Eye Hospital, Turkey
  6. Yeditepe University Eye Hospital, Turkey

    Abstract

    Background: To analyze the autofluoresence (AF) properties of pingueculae and compare the size of AF with the extent of the visible lesion.

    Methods: Fourty eyes of 23 patients with pingueculae were included into the study. AF images were obtained by using HRA2 confocal scanning laser ophthalmoscope (Heidelberg, Germany); anterior segment photographies were obtained by using TRC-50IX, IMAGEnetTM 2000 Digital Imaging System (Topcon Corp., Japan). The AF characteristics of pingueculae were analyzed. The extent of visible lesion in anterior segment photography and AF image was compared.

    Results: AF images revealed well defined hyper-autofluorescence in the area of pinguecula, which was greater than the extent of visible pinguecula in slit-lamp examination, in 40 of 56 lesions (71.4%). In none of the eyes, the hyperautofluorescent area was smaller than the extent of visible lesion.

    Conclusion: Pingueculae display hyperautofluorescence in AF imaging. The real size of pingueculae may be estimated by its AF characteristics, which is mostly larger than the visible lesion.

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