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After filtering top 10
| PrefixSpan | C-Value | TextRank |
|---|---|---|
| Eye | Intraocular pressure | Eye |
| Examination | Visual acuity | Vision |
| Glasses | Cataract surgery | Diagnosis |
| Cataract | Optic disc | Examination |
| Surgery | Eye | Visual acuity |
| Intraocular | Ocular examination | Intraocular pressure |
| Acuity | Diabetic retinopathy | Symptom |
| Cataract surgery | Fundus examination | History |
| Glaucoma | Vision | Treatment |
| Lens | Visual field examination | Cornea |
