| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Dominant hereditary optic atrophy | Is a | False | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Cerebellar ataxia, areflexia, pes cavus, optic atrophy, sensorineural hearing loss syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Growth retardation, alopecia, pseudoanodontia, optic atrophy syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| X-linked spastic paraplegia type 2 | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Cerebellar ataxia, intellectual disability, optic atrophy, skin abnormalities syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Progressive encephalopathy with edema, hypsarrhythmia and optic atrophy syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Optic nerve edema, splenomegaly syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Early-onset progressive neurodegeneration, blindness, ataxia, spasticity syndrome | Is a | False | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Infantile cerebellar and retinal degeneration | Is a | False | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Hereditary optic atrophy | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Acrootoocular syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Severe X-linked intellectual disability Gustavson type | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Isolated optic nerve hypoplasia | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Microphthalmia, retinitis pigmentosa, foveoschisis, optic disc drusen syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Autosomal recessive spastic ataxia, optic atrophy, dysarthria syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Combined immunodeficiency with faciooculoskeletal anomalies syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Polymicrogyria with optic nerve hypoplasia | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Diabetes mellitus AND insipidus with optic atrophy AND deafness | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Ocular anomalies, axonal neuropathy, developmental delay syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| X-linked keloid scarring, reduced joint mobility, increased optic cup-to-disc ratio syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Colobomatous macrophthalmia with microcornea syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Autosomal recessive isolated optic atrophy | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Colobomatous optic disc, macular atrophy, chorioretinopathy syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Familial cavitary optic disc anomaly | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Multiple mitochondrial dysfunctions syndrome type 4 | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Phospholipase A2 activating protein-associated neurodevelopmental disorder | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Auditory neuropathy, optic atrophy syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Optic atrophy, ataxia, peripheral neuropathy, global developmental delay syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  | 
| Short stature, optic nerve atrophy, Pelger-Huët anomaly syndrome | Is a | True | Inherited optic neuropathy | Inferred relationship | Existential restriction modifier |  |