KOWA SL-19 App
Capturing software for SL-19
Free
The KOWA SL-19 App is an application software for capturing, displaying, and recording images using the hand-held slit lamp KOWA SL-19 plus.
It is used to aid in the diagnosis of diseases or trauma which affect the structural properties of the anterior eye segment using captured images.
Photo: Hiroki Tsujita, DVM (Veterinary Ophthalmology Specialized Clinic)
more This update includes the following changes and a new feature:
- Added Simplified Chinese to the supported languages.
- Some minor bugs have been fixed.
3.0.1 Jun 3
This update includes the following changes and new features:
• Changes
- Refreshed the app’s design and layout.
- A splash screen now appears at launch.
- On the Data List Screen, the “Open” button has been renamed to “Open Selected”.
- On the Still Image Display Screen and Video Playback Screen, tapping now toggles on-screen controls and info such as ID, date and time, etc.
- On the Still Image Display Screen, the page count is now shown at the bottom-right.
- On the Image Extraction Screen, you can navigate to the Video Playback Screen during extraction.
- You can now check the export size.
- Export progress is now displayed.
- Added support for iPadOS 26.
- Other minor bug fixes.
• New Features
[Home Screen]
- Added an Announcements section. Update history and important notices will appear here; please check periodically.
- Added Select from Calendar. Tap the calendar icon at the top left to switch.
- Added ID sorting. Choose ID order or Date order.
- Added ID filtering. Filter IDs by the entered text. Tap the magnifying-glass button.
[Data List Screen]
- Added an option to display items by date.
- Added an option to choose 3–5 columns for display.
[Barcode Reading Screen]
- Added a switchable barcode scan area.
- Added support for the front camera. Tap the top-right button to switch cameras.
- Read barcodes are now marked in blue, making them easier to identify when multiple barcodes are on screen.
[Still Image Display Screen]
- Added non-animated image movement. Tap the left/right buttons on the screen. Combined with Open Selected, this makes image comparison easier.
- Added a zoom-level button. Tap the zoom-level button at the bottom right.
[Video Playback Screen]
- Improved zoom and drag for smoother operation.
- Added a zoom-level button. Tap the zoom-level button at the bottom right.
[Settings Screen]
- Added Quick Settings.
- Added date format selection.
- Added an option to save crops without upscaling.
- Added an option to export videos from the Home Screen.
- Added a function to copy imaging data.
3.0.0 12/15/2025
This update includes the following bug fixes.
• Fixed a typo in the German-language instruction manual.
2.0.8 08/29/2025
This update includes the following feature improvements and bug fixes.
• Feature Improvements
- On the Home Screen, when scrolling through IDs, the scroll position is now retained after selecting an ID and returning to the Home Screen.
- On the Data List Screen, the scroll position is now retained after returning from the Live View Screen.
- Improved the display icon that indicates the connection status with the SL-19 plus for better clarity.
- Improved the stability of the Barcode Reading Screen.
• Bug Fixes
- On the Live View Screen, fixed an issue where unintended still images were instantly displayed. This issue did not affect the recorded video.
- Fixed a discrepancy where the available storage on the iPad and within the SL-19 plus app was displayed differently.
- On the Video Playback Screen, fixed an issue where extra margins were included when saving an enlarged still images.
- Other minor bug fixes.
2.0.7 06/12/2025
This update includes the following feature additions and bug fixes.
New Features
• Wi-Fi Connection Update
- Added a feature to ensure a stable Wi-Fi connection with SL-19 plus.
- Expanded the DHCP address range settings stored in the slit lamp for Wi-Fi connections.
Improvements & Bug Fixes
• Still Image Automatic Extraction Screen
- Improved visibility and usability by adding a cancel label to the processing screen.
• Bug Fixes
- Fixed an issue where users could return to the previous screen while recording.
- Fixed an issue where video thumbnails could occasionally fail to display in the thumbnail view of the data screen.
- Fixed an issue where the standard display size after rotating the iPad was not correctly reflected when scrolling to the next page on the still image screen.
- Fixed an issue where an image that was zoomed in on the still image screen could display smaller than 1x or larger than 5x after rotating the iPad.
- Fixed other minor bugs.
2.0.6 03/25/2025
Added German to the supported languages.
Improved minor features.
2.0.5 01/29/2025
Added the United States to the list of supported regions.
Improved minor features.
No other changes from Ver 2.0.3.
2.0.4 10/09/2024
Changed the sound played during recording.
Updated the date and time display format.
Improved minor features.
2.0.3 09/17/2024
Display language was changed to English in AppStore.
Application functions are no change from Ver2.0.1.
2.0.2 05/21/2024
This update includes the following changes and a new feature:
- Added Simplified Chinese to the supported languages.
- Some minor bugs have been fixed.
more Version 3.0.1 Jun 3
Data Not Linked to You The following data may be collected but it is not linked to your identity: