April 2011
Volume 52, Issue 14
Free
ARVO Annual Meeting Abstract  |   April 2011
Anterior Segmet Time Domain Oct In The Assment Of Filtering Bleb Function
Author Affiliations & Notes
  • Nicola Cardascia
    Oftalmologia, Policlinico Bari, Bari, Italy
  • Paolo Ferreri
    Oftalmologia, Policlinico Bari, Bari, Italy
  • Claudio Furino
    Oftalmologia, Policlinico Bari, Bari, Italy
  • Michele Vetrugno
    Oftalmologia, Policlinico Bari, Bari, Italy
Investigative Ophthalmology & Visual Science April 2011, Vol.52, 6275. doi:
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      Nicola Cardascia, Paolo Ferreri, Claudio Furino, Michele Vetrugno; Anterior Segmet Time Domain Oct In The Assment Of Filtering Bleb Function. Invest. Ophthalmol. Vis. Sci. 2011;52(14):6275.

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

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Abstract

Purpose: : to evaluate filtering bleb function by means of anterior segment time domain optical coherence tomography (AS-TDOCT).

Methods: : Retrospective study of twenty-five eyes (20 patients) had undergone trabeculectomy between January 2005 and June 2010. Blebs were analyzed by commercially available AS-TDOCT (Stratus OCT, model 3000, Carl Zeiss Meditec Inc. USA). The correlation between intraocular pressure (IOP) and 4 quantitative parameters, bleb height, bleb wall thickness and the height and extend of internal cavity, and 2 qualitative parameters, bleb wall reflectivity, and the presence or absence of posterior episcleral fluid, were analyzed.

Results: : fourteen (70%) patients were male (mean age 64.1 ± 11.2 y). IOP was not correlated to the height and extend of internal cavity. Inverse correlation was found between IOP and bleb wall thickness (p=0.02). Low bleb reflectivity wall was correlated to lower IOP (p=0.01). The presence of posterior episcleral fluid was related to lower IOP (p=0.01).

Conclusions: : AS-TDOCT represents a valid tool to evaluate filtering bleb function considering reflectivity bleb wall and episcleral fluid correlate to IOP.

Keywords: imaging/image analysis: clinical • anterior segment • sclera 
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