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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Lasers Surg Med. 2012 Aug 28;44(8):603–610. doi: 10.1002/lsm.22070

Table 1.

Characterization of AMD based on the appearance of drusen using standard fundus photography methods.

Age-Related Eye Disease Study (AREDS)
Stages of AMD
Category I No or few small drusen (<63 µm)
Category II Intermediate drusen (<125 µm)
Category III Extensive intermediate or large drusen (>125 µm)
Category IV Neovascular AMD or Central Geographic Atrophy