| | IF ((HeOpC = Yes) OR (HeOpt = catarac)) OR ((HeOpN = NoLong) AND
| | (HeOpX = No)) [HeOpC[4] = 1 OR HeOpt = 4 OR HeOpN[4] = 2 AND HeOpX[4] =
| | 2]
| | |
| | | HECAT EVER HAD CATARACT SURGERY
| | |
| | | had cataract surgery?
| | | 1 Yes
| | | 2 No
| | |
| | END FILTER