| Similarity | Rank | |
|---|---|---|
| Lasik | 0.958 | 58030 |
| PRK | 0.894 | 73639 |
| lasik | 0.799 | 79890 |
| cataract | 0.797 | 25742 |
| IOL | 0.796 | 78312 |
| Invisalign | 0.791 | 40022 |
| Rhinoplasty | 0.770 | 61711 |
| rhinoplasty | 0.762 | 38126 |
| ophthalmologist | 0.745 | 47791 |
| ophthalmologists | 0.743 | 74169 |
| surgery | 0.740 | 1689 |
| Cataract | 0.738 | 60348 |
| presbyopia | 0.736 | 87135 |
| non-surgical | 0.734 | 36733 |
| surgical | 0.733 | 5340 |
| corneal | 0.731 | 34214 |
| blepharoplasty | 0.731 | 68016 |
| Surgery | 0.729 | 9543 |
| Glaucoma | 0.725 | 65470 |
| orthodontic | 0.724 | 36793 |
| orthodontics | 0.723 | 57589 |
| refractive | 0.723 | 36563 |
| astigmatism | 0.720 | 48250 |
| sclerotherapy | 0.718 | 84447 |
| orthodontists | 0.718 | 93770 |