| 0 |
0 I never or rarely experience blurry vision when I stand up |
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0 I never or rarely experience blurry vision when I stand up |
| 1 |
1 I experience mild blurry vision when I stand up |
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1 I experience mild blurry vision when I stand up |
| 2 |
2 I experience moderate blurry vision when I stand up and sometimes have to sit back down for relief |
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2 I experience moderate blurry vision when I stand up and sometimes have to sit back down for relief |
| 3 |
3 I experience severe blurry vision when I stand up and frequently have to sit back down for relief |
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3 I experience severe blurry vision when I stand up and frequently have to sit back down for relief |
| 4 |
4 I experience severe blurry vision when I stand up and almost always have to sit back down |
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4 I experience severe blurry vision when I stand up and almost always have to sit back down |