May 2006
Volume 47, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2006
Ocular Fixation Analysis with MP–1 Microperimetry in ARMD : Advantages and Limits
Author Affiliations & Notes
  • R. Amar
    Ophtalmology, American Hospital of Paris, Neuilly/Seine, France
  • K. Bernard
    Ophtalmology, American Hospital of Paris, Neuilly/Seine, France
  • P. Verdy
    Ophtalmology, American Hospital of Paris, Neuilly/Seine, France
  • M. Amini
    Ophtalmology, American Hospital of Paris, Neuilly/Seine, France
  • C. Boscher
    Ophtalmology, American Hospital of Paris, Neuilly/Seine, France
  • Footnotes
    Commercial Relationships  R. Amar, None; K. Bernard, None; P. Verdy, None; M. Amini, None; C. Boscher, None.
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science May 2006, Vol.47, 5678. doi:
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      R. Amar, K. Bernard, P. Verdy, M. Amini, C. Boscher; Ocular Fixation Analysis with MP–1 Microperimetry in ARMD : Advantages and Limits . Invest. Ophthalmol. Vis. Sci. 2006;47(13):5678.

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

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Abstract

Purpose: : Microperimetry MP1 holds three functions, retinography, perimetry, and ocular fixation testing . The goal of this study is to evaluate advantages and limits of ocular fixation testing in AMD.

Methods: : Prospective consecutive study of 90 eyes in 50 patients with atrophic and exsudative ARMD. Localisation and stability of fixation have been studied, matching with size , duration, and presence or absence of visual rehabilitation aiming to develop a PRL (Prefered Retinal Locus). Examination was made before and after visual rehabilitation.

Results: : The eye tracker system allowed to define stability of fixation in 98 % of eyes.Limitations : resolution of the infrared camera did not allow reliable testing in case of obturing cataract in 2% of eyes

Conclusions: : Microperimetry MP1 is a reproducible device for ocular fixation analysis. It is especially helpful for the follow up of visual rehabilitation to develop PRL. Performance is limited in case of obturing cataract..

Keywords: none 
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