| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Congenital anomaly of eye | Is a | False | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Congenital anomaly of optic nerve | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Congenital strabismus | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Encephalocele of orbit | Is a | False | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Alstrom syndrome | Is a | False | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Aicardi's syndrome | Is a | False | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Congenital blindness | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Cerebral-retinal arteriovenous aneurysm | Is a | False | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Cilioretinal artery | Is a | False | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Osteogenesis imperfecta, recessive perinatal lethal, with microcephaly AND cataracts | Is a | False | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Congenital anomaly of ocular adnexa | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Congenital anomaly of eye | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Congenital anomaly of orbit proper | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Congenital vascular anomaly of eye | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Congenital malformation of eye, ear and neck | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Osteoporosis and macrocephaly with blindness and joint hypermobility syndrome | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Karsch Neugebauer syndrome | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Oculogastrointestinal muscular dystrophy | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Macrocephaly, obesity, mental disability, ocular abnormality syndrome | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Congenital absence of optic chiasma | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Congenital malformation of the eyebrow | Is a | False | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Autosomal recessive chorioretinopathy and microcephaly syndrome | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Intellectual disability, obesity, prognathism, eye and skin anomalies syndrome | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Didymosis aplasticosebacea | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Encephalocraniocutaneous lipomatosis | Is a | False | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| 14q22q23 microdeletion syndrome | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Infantile hypotonia, oculomotor anomalies, hyperkinetic movements, developmental delay syndrome | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  | 
| Ocular motor apraxia Cogan type | Is a | True | Congenital anomaly of visual system | Inferred relationship | Existential restriction modifier |  |