| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Lens expressor (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Lens spoon | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Hand-held campimeter | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Perfluoropropane cylinder | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Pupillometer, line-powered (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Pupillometer, manual (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Anterior eye segment analysis system (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Anterior eye segment analysis system application software | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Phorometer | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Photographic paper | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Nystagmus inducing optokinetic drum (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Nystagmus inducing tape | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ocular ink pen | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ocular occluder | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic applicator (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic calliper | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic camera (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| sats för införande av ögonkanyl, flergångs | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| sats för införande av ögonkanyl, engångs | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic chair, electric (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Pleoptophor (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Medical device integration rack | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic chair, manual (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic distometer (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic flash generator (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic head reflector | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic insufflator (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic irrigation/aspiration pump (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic knife test drum (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic refractometer, automated (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic refractometer, manual (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic sponge (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic surgical instrument handle quick lock adaptor | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| handtag till oftalmologiskt spolningsinstrument, engångs | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic trocar (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic ultrasound imaging system (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic ultrasound imaging system transducer (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic ultraviolet phototherapy solution (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmic ultraviolet phototherapy system (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmodiaphanoscope (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmodiastimeter (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmoleukoscope (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Polatest | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ophthalmotropometer | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Optical low coherence reflectometry (OLCR) biometer | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Optical pachymeter (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Optomyometer (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Orbital retractor (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Posterior eye segment analysis system application software (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Prism bar | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Prism, rotary | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Schirmer tear test strip | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Scleral marker (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| sklerapropp, flergångs | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| sklerapropp, engångs | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Scotometer (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Sulfur hexafluoride cylinder | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Trabeculotome (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Retinal optical coherence tomography system | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Retinal tack | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Retinoscope, battery-powered (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Retinoscope, line-powered | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Reverse-image mirror | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Synoptophor, battery-powered | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Synoptophor, line-powered (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Slit lamp control unit | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Tachistoscope | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Tearscope (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Ultrasonic pachymeter (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Vision training device, battery-powered (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Vision training device, line-powered | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Visual acuity light box (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Visual acuity projector | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Visual field plotter | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Binocular vision test unit | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Colour discrimination tester | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Colour discrimination tester, quick-test | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Colour-discrimination eye chart | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Corneal light shield (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Corneal marker (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Corneal marking pad (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Corneal resection holder | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Corneal storage medium | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Corneal topography system (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Dynamic visual acuity testing system (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Eikonometer | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Diplopiometer (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| leveranskit för donerad hornhinna | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Entoptoscope (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Electrooculograph (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Electroretinograph (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Eye brush | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Eye dye (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Eye magnet, non-powered | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Eye magnet, powered | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Eye muscle clamp | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Eye retractor (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Eye speculum, reusable | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Eye speculum, single-use | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Eye spud | Is a | False | Ophthalmic device | Inferred relationship | Some |  | 
| Eye spud/needle (physical object) | Is a | False | Ophthalmic device | Inferred relationship | Some |  |