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Computational method to obtain the raw score sum of OTS
| Initial visual factor | Raw points |
|---|---|
| Initial raw score | NPL=60 |
| PL/HM=70 | |
| 1/200 to 19/200=80 | |
| 20/200 to 20/50=90 ≥20/40=100 | |
| Globe rupture | -23 |
| Endophthalmitis | -17 |
| Perforating injuries | -14 |
| Retinal detachment | -11 |
| RAPD | -10 |
Raw score sum=Sum of raw points above
