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The top 10 keywords in the occurrence frequency.
| Rank | Keyword | Occurrence | Total link strength |
|---|---|---|---|
| 1 | diabetic macular edema | 2664 | 12,006 |
| 2 | retinopathy | 1607 | 7773 |
| 3 | diabetic retinopathy | 1255 | 7185 |
| 4 | ranibizumab | 1038 | 5147 |
| 5 | optical coherence tomography | 975 | 4571 |
| 6 | endothelial growth factor | 915 | 5202 |
| 7 | macular edema | 791 | 4963 |
| 8 | bevacizumab | 653 | 3323 |
| 9 | visual acuity | 477 | 3025 |
| 10 | degeneration | 470 | 2249 |
