{
  "multiple": false,
  "fields": [
    {
      "name": "retinopathy",
      "type": "int",
      "label": "Retinopathy",
      "options": [
          {"value": 0, "label": "No"},
          {"value": 1, "label": "Background Retinopathy"},
          {"value": 2, "label": "Proliferative Retinopathy"}
      ]
    },
    {
      "name": "peripheralNeuropathy",
      "type": "boolean",
      "label": "Peripheral Neuropathy"
    },
    {
      "name": "footUlcers",
      "type": "boolean",
      "label": "Foot Ulcers"
    }
  ]
}

{
  "multiple": false,
  "fields": [
    {
      "name": "retinopathy",
      "type": "int",
      "label": "Retinopathy",
      "options": [
          {"value": 0, "label": "No"},
          {"value": 1, "label": "Background Retinopathy"},
          {"value": 2, "label": "Proliferative Retinopathy"}
      ]
    },
    {
      "name": "laser",
      "type": "boolean",
      "label": "Treated by Laser",
      "required": false,
      "visible": {
        "name": "js",
        "value": "return form.retinopathy > 0"
      }
    },
    {
      "name": "peripheralNeuropathy",
      "type": "boolean",
      "label": "Peripheral Neuropathy"
    },
    {
      "name": "footUlcers",
      "type": "boolean",
      "label": "Foot Ulcers"
    }
  ]
}

Add treated by laser field
Add treated by laser field
