| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Better eye: moderate visual impairment, Lesser eye: profound visual impairment | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Low vision, both eyes | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Better eye: severe visual impairment, Lesser eye: severe visual impairment | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Better eye: moderate visual impairment, Lesser eye: severe visual impairment | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Better eye: moderate visual impairment, Lesser eye: moderate visual impairment | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Visual loss, both eyes unqualified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Legal blindness USA | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Profound impairment, one eye | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: total visual impairment, Better eye: near normal vision | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: total visual impairment, Better eye: normal vision | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: near total visual impairment, Better eye: near normal vision | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: near total visual impairment, Better eye: normal vision | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: profound visual impairment, Better eye: near normal vision | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: profound visual impairment, Better eye: normal vision | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Low vision, one eye | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: severe visual impairment, Better eye: near normal vision | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: severe visual impairment, Better eye: normal vision | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: moderate visual impairment, Better eye: near normal vision | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: moderate visual impairment, Better eye: normal vision | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Visual loss, one eye, unqualified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Congenital corneal opacity with visual deficit | Interprets | False | Vision observable | Inferred relationship | Some | 3 | 
| Acquired blindness | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Blind or low vision - both eyes | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Blind or low vision - one eye only | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Acquired blindness, both eyes | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Acquired blindness, one eye | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Unspecified astigmatism | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Astigmatism NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Anisometropia or aniseikonia NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Accommodation disorder NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Other refraction and accommodation disorders | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Other refraction or accommodation disorder NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Refraction or accommodation disorder NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Amblyopia ex anopsia NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Unspecified subjective visual disturbance | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Other transient visual loss | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Other visual discomfort | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Other metamorphopsia | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Other visual distortion | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Other psychophysical visual disturbance | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Subjective visual disturbance NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Colour blindness NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Unspecified night blindness | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Hereditary night blindness NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Congenital night blindness NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Abnormal dark adaptive curve NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Night blindness NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Other specified visual disturbance | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Other specified visual disturbance NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Visual disturbance NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Unspecified blindness both eyes | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Better eye: near total visual impairment, Lesser eye: unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Better eye: profound visual impairment, Lesser eye: unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Blindness both eyes NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Better eye: severe visual impairment, Lesser eye: blind, unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Better eye: moderate visual impairment, Lesser eye: blind, unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| One eye blind, one eye low vision NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Low vision, both eyes unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Better eye: severe visual impairment, Lesser eye: low vision unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Better eye: moderate visual impairment, Lesser eye: low vision unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Low vision, both eyes NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Blindness, one eye, unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: total visual impairment, Better eye: unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: near total visual impairment, Better eye: unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: profound visual impairment, Better eye: unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Profound impairment one eye NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Low vision, one eye, unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: severe visual impairment, Better eye: unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Lesser eye: moderate visual impairment, Better eye: unspecified | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Low vision, one eye NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| [X]Other and unspecified heterotropia | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| [X]Other disorders of refraction | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| [X]Visual disturbances and blindness | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| [X]Other disorders of binocular vision | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| [X]Other visual disturbances | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| [X]Visual disturbances in diseases classified elsewhere | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Unspecified amblyopia | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Blurred vision NOS | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Visual loss after cataract extraction | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Amblyopia | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Functional amblyopia | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Scotopic sensitivity | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Visual perceptual weakness | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Isometropic amblyopia | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Visual impairment | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Severe visual impairment | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Moderate visual impairment | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Mild visual impairment | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Riddoch phenomenon | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Visual obscuration | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Occlusion amblyopia | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Corneal warpage | Interprets | False | Vision observable | Inferred relationship | Some | 1 | 
| Cortical visual impairment | Interprets | False | Vision observable | Inferred relationship | Some | 1 |