| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Excision of lesion of canthus | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Destruction of lesion of canthus | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Operations on medial canthus | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Operations on lateral canthus | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Repair of canthus | Is a | False | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Construction of canthorrhaphy with transposition of tarsal plate | Is a | False | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Removal of foreign body of canthus by incision | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Diagnostic procedure on canthus | Is a | False | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Construction of intermarginal adhesions | Is a | False | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Canthotomy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Other specified operation on canthus | Is a | False | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Operation on canthus NOS | Is a | False | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Repair of canthus | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Division of canthal ligament | Is a | False | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Reopening of canthorrhaphy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Curettage of lesion of canthus | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Biopsy of lesion of canthus | Is a | False | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary and transconjunctival approach with skin, muscle and fat excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary approach with skin and muscle excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary approach with skin and muscle excision, fat redraping and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary approach with skin excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary and transconjunctival approach with skin graft and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower subciliary and transconjunctival blepharoplasty with skin and muscle excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using transconjunctival approach with fat redraping and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary approach with skin flap, skin graft and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary approach with skin graft and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower transconjunctival blepharoplasty with fat excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower transconjunctival blepharoplasty with fat redraping and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower subciliary blepharoplasty with skin excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using transconjunctival approach with fat graft and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary and transconjunctival approach with skin flap and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary approach with fat redraping and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using transconjunctival approach with fat excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower subciliary and transconjunctival blepharoplasty with fat redraping and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary and transconjunctival approach with skin flap, skin graft and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower subciliary and transconjunctival blepharoplasty with skin and muscle excision, fat redraping and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary and transconjunctival approach with fat excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower subciliary and transconjunctival blepharoplasty with skin excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary and transconjunctival approach with skin and muscle excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary and transconjunctival approach with fat redraping and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary and transconjunctival approach with skin excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower subciliary and transconjunctival blepharoplasty with skin, muscle and fat excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower subciliary blepharoplasty with skin and muscle excision, fat redraping and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower subciliary blepharoplasty with skin, muscle and fat excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower subciliary and transconjunctival blepharoplasty with fat excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary approach with skin flap and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary approach with skin, muscle and fat excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower subciliary blepharoplasty with skin and muscle excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary and transconjunctival approach with skin and muscle excision, fat redraping and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower subciliary blepharoplasty with fat excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Primary lower subciliary blepharoplasty with fat redraping and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Revision of lower blepharoplasty using subciliary approach with fat excision and canthopexy | Is a | True | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Operation on canthus NOS | Is a | False | Operation on canthus | Inferred relationship | Existential restriction modifier |  | 
| Other specified operation on canthus | Is a | False | Operation on canthus | Inferred relationship | Existential restriction modifier |  |