Settings are stored via SharedPreferences and persist across app restarts. On Windows they survive app updates. There is no dedicated Settings screen — all settings are accessible from the **title-bar menu** (Windows) or the **main menu** on mobile.
Complete Settings Reference
#### Camera & Capture
| Setting | Default | Options / Range | Effect |
|———|———|—————–|——–|
| **Preferred camera** | Dino-Lite | `dino_lite`, `usb_camera`, `auto_detect` | Pre-selects the camera source on the camera mode selector page |
| **Default zoom** | 1.0× | 1.0× – 4.0× | Starting zoom level applied when the standard camera opens |
The zoom slider maps a stored value of 0.0–1.0 to a display range of 1.0×–4.0× (formula: `display = 1.0 + stored × 3.0`). Setting zoom to 0 stored = 1.0× display (no zoom).
#### Report & PDF
| Setting | Default | Effect |
|———|———|——–|
| **Auto-save PDF** | Off | Save PDF automatically at end of every analysis |
| **Include images in PDF** | On | Embed OD/OS photos in the PDF; turn off to reduce file size |
#### Analysis Display
| Setting | Default | Effect |
|———|———|——–|
| **Show ML comparison** | On | Displays the ML model’s raw output values alongside the classical CV result on the results screen, for practitioner reference |
| **Show zone overlay** | On | Enables the interactive polar zone overlay on the iris photo on the results screen; tap zones to see finding details and add observer notes |
#### Practice Information
| Setting | Default | Effect |
|———|———|——–|
| **Practice / Clinic name** | *(empty)* | Text entered here (or on the patient info form) appears as a teal banner in every report header |
#### Natural Medicine Modules
| Setting | Default | Effect |
|———|———|——–|
| **Herbal mode** | Off | Enable herbal recommendation panel and PDF section |
| **Nutrition mode** | Off | Enable 7-color diet nutrition panel and PDF section |
| **Chiropractic mode** | Off | Enable chiropractic spinal correlation panel and PDF section |
| **TCM mode** | Off | Enable Traditional Chinese Medicine meridian panel and PDF section |
All four therapy toggles are independent. Enable only the modalities relevant to your practice.
