May 2008
Volume 49, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2008
Increased Choroidal Thickness in Patients With Chronic Tinnitus Using High Frequency Ultrasound (Timug-Eye-Analyzer , Timug E.v.)
Author Affiliations & Notes
  • C. Erb
    Ophthalmology-Eye Clinic, Schlosspark Clinic, Berlin, Germany
  • F. Rüfer
    University Eye Clinic, Kiel, Germany
  • B. Eichler
    Ophthalmology-Eye Clinic, Medical High School, Hannover, Germany
  • Footnotes
    Commercial Relationships  C. Erb, None; F. Rüfer, None; B. Eichler, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 1314. doi:https://doi.org/
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      C. Erb, F. Rüfer, B. Eichler; Increased Choroidal Thickness in Patients With Chronic Tinnitus Using High Frequency Ultrasound (Timug-Eye-Analyzer , Timug E.v.). Invest. Ophthalmol. Vis. Sci. 2008;49(13):1314. doi: https://doi.org/.

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

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Abstract

Purpose: : To measure the thickness of the choroid in patients with chronic tinnitus.

Methods: : Beside the ophthalmological examinations (visual acuity, refraction, intraocular pressure, slit lamp and fundus examination) the measurement of the choroidal thickness was done with the TIMUG-EYE-ANALYZER (TIMUG e.V., Bonn). Statistical analysis was performed with the Mann-Whitney-U-Test.

Results: : Twentyfive patients (m:f=12:13, average age+=48±15 years) with chronic tinnitus were included and compared with twentyfive age-related controls (m:f=11:14). Ophthalmological examinations in all subjects were without pathological findings. Statistical analysis showed a significant increased choroidal thickness in patients with chronic tinnitus (median±mean absolute deviation [µm]=150±20 versus 120±15, o=0.033).

Conclusions: : The increased choroidal thickness could be a hint for a general disturbed vascular regulation in patients with chronic tinnitus. As acquired colour vision disturbances were described in these patients (Schulze, 2006), these findings are in good accordance with a choroidal perfusion disturbance.

Keywords: choroid • imaging methods (CT, FA, ICG, MRI, OCT, RTA, SLO, ultrasound) • clinical (human) or epidemiologic studies: natural history 
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