{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://openvisual.org/schema/charles-bonnet/1.0",
  "title": "OVS: Charles Bonnet Syndrome",
  "description": "Complex geometric or structured visual hallucinations in patients with visual impairment. Not psychiatric in origin.",
  "allOf": [
    { "$ref": "https://openvisual.org/schema/symptom-base/1.0" },
    {
      "type": "object",
      "properties": {
        "ovs_type": { "const": "ovs:charles-bonnet" }
      }
    }
  ]
}