| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Prescription of spectacles | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 3 | 
| Provision of low vision stand magnifier | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 4 | 
| Provision of low vision stand magnifier | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 3 | 
| Provision of low vision stand magnifier | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of shoe raise | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Modification of contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 3 | 
| Provision of spectacle telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of spectacle telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 4 | 
| Provision of spectacle telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 5 | 
| Provision of spectacle magnifier | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of spectacle magnifier | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of spectacle magnifier | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 5 | 
| Prescribing, fitting and revision of contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of integral spectacle distance telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 3 | 
| Provision of integral spectacle distance telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of hand held distance telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 3 | 
| Provision of hand held distance telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 4 | 
| Provision of headband distance telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of headband distance telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 4 | 
| Education provision | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of mainstream school, modified | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of mainstream school, unmodified | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of mainstream further education | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of nursery school, modified | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of nursery school, unmodified | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of pre-school play group | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of pre-school age home teacher | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of special educational needs nursery | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of special class unit - mainstream school | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of special day school | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of special residential school | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of specialist peripatetic education | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of specialist further education | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of support as Braille user | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of support as Makaton user | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of support as signing user | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Educational assistance | Method | True | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of artificial eye | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of artificial eye | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Prescription, fitting and dispensing of contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Prescription, fitting and dispensing of contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Prescribing contact lens for aphakia, bilateral | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Prescribing contact lens for aphakia, bilateral | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of work clamp | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of work clamp | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of magnifier low vision aid - near | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of magnifier low vision aid - near | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of corneoscleral contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of corneoscleral contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of comfort shoes | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of comfort shoes | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of typoscope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of typoscope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of low vision hand magnifier | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of low vision hand magnifier | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Spectacles for aphakia | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Spectacles for aphakia | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of task lighting | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of task lighting | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of corneal contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of corneal contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of low vision headband magnifier | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of low vision headband magnifier | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of spectacle distance telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of spectacle distance telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Replacement of contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Replacement of contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of optical low vision aid - distance | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of optical low vision aid - distance | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of non-optical low vision aid | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of non-optical low vision aid | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of low vision aid | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of low vision aid | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of electronic low vision aid | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of electronic low vision aid | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of work board | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of work board | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of image intensifier | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of image intensifier | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of optical low vision aid - near | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of optical low vision aid - near | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 3 | 
| Provision of optical low vision aid - near | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of custom made shoes | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of custom made shoes | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of scleral contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of scleral contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of scleral contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 3 | 
| Prescribing, fitting and revision of corneoscleral contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Prescribing, fitting and revision of corneoscleral contact lens | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of Piedro shoes | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of Piedro shoes | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of spectacle low vision aid - near | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of spectacle low vision aid - near | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Provision of spectacle low vision aid - near | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 3 | 
| Near low vision aid - extra cap for telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Near low vision aid - extra cap for telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Near low vision aid - extra cap for telescope | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 3 | 
| Provision of mouth opening appliance | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of mouth opening appliance | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 | 
| Prescribing contact lens for aphakia | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 1 | 
| Prescribing contact lens for aphakia | Method | False | Provision - action | Inferred relationship | Existential restriction modifier | 2 |