| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Fitting of spectacles, bifocal | Is a | Fitting of spectacles, multifocal | true | Inferred relationship | Existential restriction modifier |  |  | 
| Fitting of spectacles, bifocal | Is a | Fitting of prosthesis | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fitting of spectacles, bifocal | Method | Surgical action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Fitting of spectacles, bifocal | Procedure site | Bone structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Fitting of spectacles, bifocal | Using | Eye glasses, device | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fitting of spectacles, bifocal | Procedure site | Bone structure of face | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fitting of spectacles, bifocal | Direct device | Appliance | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fitting of spectacles, bifocal | Procedure site | Structure of eye proper | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fitting of spectacles, bifocal | Method | Fitting - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Fitting of spectacles, bifocal | Procedure site | Structure of visual system | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fitting of spectacles, bifocal | Procedure site | Eye region structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Fitting of spectacles, bifocal | Is a | Ocular prosthetic service | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fitting of spectacles, bifocal | Is a | Procedure on eye region | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fitting of spectacles, bifocal | Direct device | Eye glasses, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Fitting of spectacles, bifocal | Is a | Appliance procedures | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fitting of spectacles, bifocal | Direct device | Prosthesis, device | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Fitting of spectacles, bifocal | Procedure site - Indirect | Eye region structure | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Fitting of spectacles, bifocal | Method | Fitting - action | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Fitting of spectacles, bifocal | Method | Fitting - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Fitting of spectacles, bifocal | Is a | Fitting of spectacles | false | Inferred relationship | Existential restriction modifier |  |  | 
| Fitting of spectacles, bifocal | Direct device | Bifocal glasses | true | Inferred relationship | Existential restriction modifier | 1 |  |