September 2016
Volume 57, Issue 12
Open Access
ARVO Annual Meeting Abstract  |   September 2016
Subretinal fluid in Macular telangiectasia type 2 without apparent choroidal neovascularization
Author Affiliations & Notes
  • Hemal Mehta
    Macular Research Group, Save Sight Institute, University of Sydney, Sydney, New South Wales, Australia
    Department of Ophthalmology, Royal Free Hospital NHS Trust, London, United Kingdom
  • Simona Degli Esposti
    Moorfields Eye Hospital, London, United Kingdom
  • Catherine A Egan
    Moorfields Eye Hospital, London, United Kingdom
  • Mark C Gillies
    Macular Research Group, Save Sight Institute, University of Sydney, Sydney, New South Wales, Australia
  • Footnotes
    Commercial Relationships   Hemal Mehta, None; Simona Degli Esposti, None; Catherine Egan, None; Mark Gillies, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science September 2016, Vol.57, 4443. doi:
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    • Get Citation

      Hemal Mehta, Simona Degli Esposti, Catherine A Egan, Mark C Gillies; Subretinal fluid in Macular telangiectasia type 2 without apparent choroidal neovascularization. Invest. Ophthalmol. Vis. Sci. 2016;57(12):4443.

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

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Abstract

Purpose : To report a series of eyes in which subretinal fluid (SRF) developed in macular telangiectasia type II (MacTel) in the apparent absence of choroidal neovascularization (CNV).

Methods : Color fundus photography, optical coherence tomography (OCT), and fluorescein angiography of patients in two of the largest MacTel Study registries in the world at the Save Sight Institute in Sydney and Moorfields Eye Hospital in London were assessed to identify patients who have SRF causing a foveal detachment without any other evidence of CNV. We confirm that the research followed the tenets of the Declaration of Helsinki; informed consent was obtained from the subjects; and the research was approved by local institutional review boards.

Results : There were four female patients identified from the registries with SRF in the apparent absence of CNV. Their ages ranged from 50-66 years. Follow-up ranged from 5-8 years. Visual acuity was only mildly affected by the presence of SRF. Occasionally, the SRF resolved spontaneously, remaining stable for years before recurring. There was variable response to intravitreal vascular endothelial growth factor inhibitors (anti-VEGF) therapy.

Conclusions : These cases suggest that SRF in MacTel can occur in the absence of CNV. We propose that deep intraretinal neovascularization penetrates the subretinal space, leading to accumulation of SRF. Intravitreal anti-VEGF therapy may not always be necessary in such cases.

This is an abstract that was submitted for the 2016 ARVO Annual Meeting, held in Seattle, Wash., May 1-5, 2016.

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