| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Provision of removable artificial eye | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of nocturnal bladder warning system | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Provision of stents or bite blocks | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Replacement of contact lens | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Prescription, fitting and dispensing of contact lens | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Prescribing, fitting and revision of contact lens | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| prescription d'un verre de contact pour aphakie, unilatéral | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Prescribing, fitting and revision of corneoscleral contact lens | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Modification of contact lens | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| prescription d'un verre de contact pour aphakie, bilatéral | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Prescribing corneoscleral contact lens | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Prescribing, fitting and supply of ocular prosthesis | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| prescription d'un verre de contact pour aphakie | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Supply of spectacles | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Physiological hearing assistance | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Physiological visual assistance | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Prescription of spectacles (procedure) | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Spectacles for aphakia | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Physiological locomotion assistance | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Aids for severely handicapped | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Anatomo-physiological assistance (procedure) | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Visual aid | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Handicapped aids | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Provision of prosthesis | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Visual aid NOS | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Locomotory aid NOS | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Medical equipment provision NOS | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Anatomo-physiological aid NOS | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Prescription, fitting and dispensing of contact lens | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| prescription d'un verre de contact pour aphakie, bilatéral | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of work clamp | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of work clamp | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of magnifier low vision aid - near | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of magnifier low vision aid - near | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of magnifier low vision aid - near | Method | False | Provision - action | Inferred relationship | Some | 4 | 
| Physiological visual assistance | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Provision of corneoscleral contact lens | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of comfort shoes | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of typoscope | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of typoscope | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of low vision hand magnifier | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of low vision hand magnifier | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of low vision hand magnifier | Method | False | Provision - action | Inferred relationship | Some | 4 | 
| Provision of visual appliance | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Spectacles for aphakia | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of task lighting | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of task lighting | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of corneal contact lens | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of low vision headband magnifier | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of low vision headband magnifier | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of low vision headband magnifier | Method | False | Provision - action | Inferred relationship | Some | 4 | 
| Provision of spectacle distance telescope | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of spectacle distance telescope | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Provision of telescopic spectacles | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Provision of telescopic spectacles | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of telescopic spectacles | Method | False | Provision - action | Inferred relationship | Some | 4 | 
| Replacement of contact lens | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of optical low vision aid - distance | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of optical low vision aid - distance | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of non-optical low vision aid | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of non-optical low vision aid | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Provision of low vision aid | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Provision of low vision aid | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of electronic low vision aid | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of electronic low vision aid | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Provision of work board | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of work board | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of image intensifier | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of image intensifier | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of optical low vision aid - near | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of optical low vision aid - near | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of optical low vision aid - near | Method | False | Provision - action | Inferred relationship | Some | 4 | 
| Provision of bespoke shoes | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Provision of scleral contact lens | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Prescribing, fitting and revision of corneoscleral contact lens | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of Piedro shoes | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Visual aid NOS | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Provision of spectacle low vision aid - near | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of spectacle low vision aid - near | Method | False | Provision - action | Inferred relationship | Some | 5 | 
| Provision of spectacle low vision aid - near | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Near low vision aid - extra cap for telescope | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Near low vision aid - extra cap for telescope | Method | False | Provision - action | Inferred relationship | Some | 4 | 
| Near low vision aid - extra cap for telescope | Method | False | Provision - action | Inferred relationship | Some | 5 | 
| Provision of mouth opening appliance | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| prescription d'un verre de contact pour aphakie | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of headband telescope | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Provision of headband telescope | Method | False | Provision - action | Inferred relationship | Some | 5 | 
| Provision of headband telescope | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Prescribing corneoscleral contact lens | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of clip-on spectacle distance telescope | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of clip-on spectacle distance telescope | Method | False | Provision - action | Inferred relationship | Some | 4 | 
| Supply of spectacles | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| prescription d'un verre de contact pour aphakie, unilatéral | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Prescribing corneal contact lens | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Visual aid | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Optical low vision aid provision | Method | False | Provision - action | Inferred relationship | Some | 1 | 
| Optical low vision aid provision | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of special footwear | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Provision of ancillary low vision aid | Method | False | Provision - action | Inferred relationship | Some | 3 | 
| Provision of ancillary low vision aid | Method | False | Provision - action | Inferred relationship | Some | 2 | 
| Prescription of spectacles (procedure) | Method | False | Provision - action | Inferred relationship | Some | 3 |