Table 1.
Classification | Characteristics |
---|---|
No abnormal findings | No aging changes: • Absence of drusen • No pigmentary abnormalities |
Normal aging changes: • Drupelets only (small drusen ≤63 µm) • No pigmentary abnormalities |
|
Early AMD | • Medium-sized drusen >63 µm and ≤125 µm • No pigmentary abnormalities |
Intermediate AMD | • Large drusen >125 µm and/or pigmentary abnormalities |
Late AMD | • Neovascular AMD and/or any geographic atrophy |
Abbreviation: AMD, age-related macular degeneration.