| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Extraction of secondary membrane by needling | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Erysiphake extraction of cataract by inferior temporal route | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Incisional discission of secondary membranous cataract and anterior hyaloid | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Extraction of primary membranous cataract by needling | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Aspiration of cataract | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Extraction of cataract by rotoextraction with aspiration | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Small incision phakoemulsification of cataract and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 3 | 
| Small incision phakoemulsification of cataract and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Extraction of cataract by ultrasonic phacofragmentation | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Extracapsular extraction of lens by aspiration and irrigation technique | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Magnet extraction of intraocular foreign body from anterior chamber of eye | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Extraction of cataract by rotoextraction with aspiration by posterior route | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Magnet extraction of foreign body from sclera | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Magnet extraction of foreign body from choroid | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Curette evacuation of lens | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Magnet extraction of foreign body from vitreous | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Nonmagnetic extraction of foreign body from lens without extraction of lens | Method | True | Extraction - action | Inferred relationship | Some | 1 | 
| Magnet extraction of foreign body from ciliary body | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Aspiration of lens | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Magnet extraction of foreign body from cornea | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Extracapsular extraction of cataract by rotoextraction with aspiration | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Extracapsular extraction of cataract by mechanical fragmentation with aspiration by posterior route | Method | False | Extraction - action | Inferred relationship | Some | 3 | 
| Magnet extraction of foreign body from retina | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Excision and prosthetic replacement of lens | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Magnet extraction of foreign body from iris | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Extracapsular extraction of cataract by emulsification with aspiration | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Aspiration of cataract by phacoemulsification | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Extracapsular extraction of cataract by mechanical fragmentation with aspiration | Method | False | Extraction - action | Inferred relationship | Some | 3 | 
| Extracapsular extraction of cataract by rotoextraction with aspiration by posterior route | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Magnet extraction of foreign body from posterior segment of eye | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Ciliary foreign body removal by magnet | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Pars plana lensectomy of cataract | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Pars plana lensectomy of cataract | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Tooth extraction, complete mouth | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Tooth extraction, complete mouth | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Intracapsular cataract extraction and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Intracapsular cataract extraction and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 4 | 
| Intracapsular extraction of lens | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Forceps extraction of lens | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Cryoextraction of lens | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Ultrasonic fragmentation of cataract with aspiration | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Intracapsular extraction of lens with iridectomy and enzymes | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Erysiphake extraction of cataract by intracapsular approach | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Intracapsular extraction of lens by inferior temporal route | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Zonulolysis with lens extraction | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Mechanical fragmentation of primary membranous cataract | Method | False | Extraction - action | Inferred relationship | Some | 3 | 
| Intracapsular extraction of lens with iridectomy for dislocated lens | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Other specified intracapsular extraction of lens | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Intracapsular extraction of lens NOS | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Refractive lensectomy with intraocular lens implantation | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Refractive lensectomy | Method | False | Extraction - action | Inferred relationship | Some | 3 | 
| Presbyopic refractive lensectomy | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Phacoemulsification of cataract with intraocular lens implantation | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Small incision manual extracapsular cataract extraction | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Tooth extraction, complete mouth | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Tooth extraction, complete mouth | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Intracapsular cataract extraction and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 3 | 
| Intracapsular cataract extraction and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Bimanual phacoemulsification of cataract with intraocular lens implantation | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Bimanual microincisional phacoemulsification of cataract with intraocular lens implantation | Method | False | Extraction - action | Inferred relationship | Some | 3 | 
| Tooth extraction, complete mouth | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Tooth extraction, complete mouth | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Intracapsular cataract extraction and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Intracapsular cataract extraction and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 4 | 
| Tooth extraction, complete mouth | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Tooth extraction, complete mouth | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Intracapsular cataract extraction and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Intracapsular cataract extraction and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 4 | 
| Open extraction of calculus from parotid duct | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Open extraction of calculus from submandibular duct | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Endoscopic retrograde extraction of calculus from bile duct | Method | True | Extraction - action | Inferred relationship | Some | 1 | 
| Tooth extraction, complete mouth | Method | True | Extraction - action | Inferred relationship | Some | 1 | 
| Tooth extraction, complete mouth | Method | True | Extraction - action | Inferred relationship | Some | 2 | 
| Bimanual phacoemulsification of cataract with intraocular lens implantation | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Small incision phakoemulsification of cataract and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Cataract extraction, insertion of intraocular lens and trabeculectomy | Method | False | Extraction - action | Inferred relationship | Some | 4 | 
| Extracapsular cataract extraction and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 3 | 
| Intracapsular cataract extraction and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 5 | 
| Bimanual microincisional phacoemulsification of cataract with intraocular lens implantation | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Cataract extraction and insertion of intraocular lens | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Phacoemulsification of cataract with intraocular lens implantation | Method | False | Extraction - action | Inferred relationship | Some | 5 | 
| Cryoextraction of cataract by inferior temporal route | Method | False | Extraction - action | Inferred relationship | Some |  | 
| Cryoextraction of cataract by intracapsular approach | Method | False | Extraction - action | Inferred relationship | Some |  | 
| Magnet extraction of foreign body from retina | Method | False | Extraction - action | Inferred relationship | Some | 1 | 
| Neville-Barnes forceps delivery | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Forceps delivery | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Fimbrial extraction of tubal pregnancy | Method | True | Extraction - action | Inferred relationship | Some | 1 | 
| Midforceps delivery without rotation | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Open extraction of calculus from submandibular duct | Method | True | Extraction - action | Inferred relationship | Some | 1 | 
| Extraction of fetus | Method | True | Extraction - action | Inferred relationship | Some | 1 | 
| Open extraction of calculus from parotid duct | Method | True | Extraction - action | Inferred relationship | Some | 1 | 
| Surgical treatment of missed miscarriage of first trimester | Method | True | Extraction - action | Inferred relationship | Some | 2 | 
| Vaginal delivery with forceps including postpartum care | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Nonrotational forceps delivery | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Tooth extraction, complete upper | Method | True | Extraction - action | Inferred relationship | Some | 1 | 
| Outlet forceps delivery | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Barton's forceps delivery | Method | False | Extraction - action | Inferred relationship | Some | 2 | 
| Classical caesarean section | Method | True | Extraction - action | Inferred relationship | Some | 2 | 
| Emergency upper segment caesarean section | Method | True | Extraction - action | Inferred relationship | Some | 1 | 
| Extraction of wisdom tooth | Method | True | Extraction - action | Inferred relationship | Some | 1 | 
| Emergency caesarean section | Method | True | Extraction - action | Inferred relationship | Some | 2 |