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Numbers of Subjects over 40 Years of Age with ARM, and ARM Prevalence Rates (%)
ARM, age-related maculopathy.
0, no features of early ARM, or hard drusen only; 1, either soft drusen or pigmentary irregularities only; 2, either soft, indistinct (≥ 125 µm), or reticular drusen only, or soft, distinct, drusen with pigmentary irregularities; 3, soft, indistinct, or reticular drusen, with pigmentary irregularities; 4, neovascular ARM or geographic atrophy.
