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Study and classification of subretinal neovascularization in age-related macular degeneration by digital angiography with indocyaninegreen

SUMMARY

Purpose:

To analyze different patterns shown on indicyanine green angiography (ICG) in cases of occult subretinal neovascular membranes in age-related macular degeneration.

Material and methods:

ICG was perfomed in eyes with occult ar pooly defined subretinal neovascularization shown on fluorescein angiogram. Eyes with previous laser treatment ar an other disease were excluded.

Results:

Thirty-four eyes were studied. In 18 eyes (52.9%) we found a diffuse hyperfluorescent plaque; in 11 eyes (32.3%) a focal spot was observed, and in 5 eyes (14.7%o) a plaque and a focal spot were found.

Conclusion:

ICG is a useful exam for the detection of subretinal neovascularization in those cases in wich Jluorescein angiogram failed to demonstrate the subretinal membrane. The fluorescein pattern shown by ICG is different from the one shown by jluorescein angiogram, and it is potentially helpful in the decision about treatment.

Keywords:
Age-related macular degeneration; Indocyanine green; Occult subretinal membrane

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