| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Past pointing absent | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Doll's head reflex present | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Doll's head reflex absent | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Doll's head reflex equivocal | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Horizontal doll's head reflex present | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Horizontal doll's head reflex absent | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Horizontal doll's head reflex equivocal | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Nystagmus present | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Provision of removable artificial eye | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Functional visual loss | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Accommodative fatigue | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Accommodative inertia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Amblyopia ex anopsia | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Impairment level: one eye: near-total impairment: other eye: near-normal vision | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Sudden visual loss | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 2 | 
| Nutritional amblyopia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 2 | 
| Vision impairment level | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Impairment level of vision | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Ocular prosthetic service | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Aniseikonia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Impairment level: one eye: moderate impairment: other eye: normal vision | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Prosthetic or spectacle service | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Fitting of spectacles, monofocal | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Fitting of spectacles, low vision aid, single element | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Blindness of one eye | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of contact lens | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Prescription, fitting and dispensing of contact lens | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Diplopia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Prescribing, fitting and revision of contact lens | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Visual agnosia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Accommodation phosphene | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Spasm of accommodation | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Fitting and dispensing of spectacles | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Anisometropia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Fusion with defective stereopsis | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Severe myopia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Impairment level: one eye: moderate impairment: other eye: near-normal vision | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Prescribing contact lens for aphakia, unilateral | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Impairment level: low vision of one eye | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Transient visual loss | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 2 | 
| Hypermetropia | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Disorder of refraction | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Central blindness | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Vision problem | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Presbyopia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Distortion of visual image | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Impairment level: one eye: near-total impairment: other eye: not specified | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Irregular astigmatism | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Modification of contact lens | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Xanthopsia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Past pointing | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Monocular diplopia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of spectacles, multifocal | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Concentric fading of visual field | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Disorder of accommodation | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Problem of visual accommodation | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Myopia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Visual disturbance | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Prescribing, fitting and supply of ocular prosthesis | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Legal blindness | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Prescribing contact lens for aphakia | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Cycloplegia | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Impairment level of both eyes | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Regular astigmatism | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Facial measurement and fitting of spectacles, single focus | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Visual distortions of shape AND/OR size | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Psychophysical visual disturbance | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Amaurosis | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Alcoholic amblyopia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Toxic disorder of refraction AND/OR accommodation | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Supply of spectacles | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Prescribing spectacles for aphakia | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Disorder of refraction AND/OR accommodation | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Refractive diplopia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Drug-induced disorder of refraction AND/OR accommodation | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 2 | 
| Fitting of spectacles, bifocal | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Subjective visual disturbance | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Prescribing, fitting and supervision of ocular prosthesis | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Transient refractive change | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Impairment level: one eye: profound impairment: other eye: near-normal vision | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Astigmatism | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Binocular vision disorder | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Anton's syndrome | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Visual halos | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Transient blindness | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Topographical agnosia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| AIDS with blindness | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Erythropsia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Amaurosis fugax | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Simultaneous visual perception without fusion | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Repair and refitting spectacles | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Refractive polyopia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Pseudoesotropia | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Congenital blindness | Finding site | True | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Physiological visual assistance | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Prescription of spectacles | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Spectacles for aphakia | Procedure site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Both eyes total visual impairment | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  | 
| Better eye: near total visual impairment, Lesser eye: total visual impairment | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Better eye: near total visual impairment, Lesser eye: near total visual impairment | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier | 1 | 
| Better eye: profound visual impairment, Lesser eye: total visual impairment | Finding site | False | Structure of visual system | Inferred relationship | Existential restriction modifier |  |