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The Modification of Fluorescein Angiography and Its Applications in Age-Related Macular Degeneration and Polypoidal Choroidal Vasculopathy.
Ophthalmic Research 2018 June 8
AIM: To establish a novel retinal angiography method, red-free angiography (RFA), to investigate retinal changes in age-related macular degeneration (AMD) and polypoidal choroidal vasculopathy (PCV).
METHODS: Following the venous phase of fundus fluorescein angiography (FFA), the detection mode was switched to red-free reflectance to acquire RFA images using the same parameters.
RESULTS: RFA showed subretinal fluid, polyps, and outer retinal tubulation, with a higher definition than the FFA and red-free reflectance results.
CONCLUSIONS: The absorption coefficients in RFA provided more detailed images for AMD and PCV diagnosis. RFA is therefore a promising approach to supplement FFA.
METHODS: Following the venous phase of fundus fluorescein angiography (FFA), the detection mode was switched to red-free reflectance to acquire RFA images using the same parameters.
RESULTS: RFA showed subretinal fluid, polyps, and outer retinal tubulation, with a higher definition than the FFA and red-free reflectance results.
CONCLUSIONS: The absorption coefficients in RFA provided more detailed images for AMD and PCV diagnosis. RFA is therefore a promising approach to supplement FFA.
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