Legend:

• Concept Types

'Optic Atrophy'  (Integration tree)

Pathogenesis

• Genetic disorders of glycan degradation

Disorders by systems

• Genetic disorders of glycan degradation (by systems, signs and symptoms)
  • Diseases
    • Eye Diseases
      • Optic Nerve Diseases
        • Optic Atrophy
          • Optic Atrophies, Hereditary
            • Combined saposin deficiency (GDGDB) [PSAP]