A patient returns for a 2-year exam, and her vision today with glasses is 20/70. Two years ago, she was 20/25- with the same prescription. You performed a pinhole test, which improves her vision to 20/50+. This most likely indicates:

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A patient returns for a 2-year exam, and her vision today with glasses is 20/70. Two years ago, she was 20/25- with the same prescription. You performed a pinhole test, which improves her vision to 20/50+. This most likely indicates: