Retinal structure of birds of prey revealed by ultra-high resolution spectral-domain optical coherence tomography

Marco Ruggeri, James C. Major, Craig McKeown, Robert W. Knighton, Carmen A. Puliafito, Shuliang Jiao

Research output: Contribution to journalArticle

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Abstract

PURPOSE. To reveal three-dimensional (3-D) information about the retinal structures of birds of prey in vivo. METHODS. An ultra-high resolution spectral-domain optical coherence tomography (SD-OCT) system was built for in vivo imaging of retinas of birds of prey. The calibrated imaging depth and axial resolution of the system were 3.1 mm and 2.8 μm (in tissue), respectively. 3-D segmentation was performed for calculation of the retinal nerve fiber layer (RNFL) map. RESULTS. High-resolution OCT images were obtained of the retinas of four species of birds of prey: two diurnal hawks (Buteo platypterus and Buteo brachyurus) and two nocturnal owls (Bubo virginianus and Strix varia). These images showed the detailed retinal anatomy, including the retinal layers and the structure of the deep and shallow foveae. The calculated thickness map showed the RNFL distribution. Traumatic injury to one bird's retina was also successfully imaged. CONCLUSIONS. Ultra-high resolution SD-OCT provides unprecedented high-quality 2-D and 3-D in vivo visualization of the retinal structures of birds of prey. SD-OCT is a powerful imaging tool for vision research in birds of prey.

Original languageEnglish
Pages (from-to)5789-5795
Number of pages7
JournalInvestigative Ophthalmology and Visual Science
Volume51
Issue number11
DOIs
StatePublished - Nov 1 2010

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Raptors
Optical Coherence Tomography
Retina
Nerve Fibers
Hawks
Strigiformes
Birds
Anatomy
Wounds and Injuries
Research

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems
  • Cellular and Molecular Neuroscience

Cite this

Retinal structure of birds of prey revealed by ultra-high resolution spectral-domain optical coherence tomography. / Ruggeri, Marco; Major, James C.; McKeown, Craig; Knighton, Robert W.; Puliafito, Carmen A.; Jiao, Shuliang.

In: Investigative Ophthalmology and Visual Science, Vol. 51, No. 11, 01.11.2010, p. 5789-5795.

Research output: Contribution to journalArticle

Ruggeri, Marco ; Major, James C. ; McKeown, Craig ; Knighton, Robert W. ; Puliafito, Carmen A. ; Jiao, Shuliang. / Retinal structure of birds of prey revealed by ultra-high resolution spectral-domain optical coherence tomography. In: Investigative Ophthalmology and Visual Science. 2010 ; Vol. 51, No. 11. pp. 5789-5795.
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