Tap the eye card on the Camera Mode Selector to open the source picker. The following sources are available:
| Mode | Best For |
|——|———-|
| Quality-Gated Rear Camera | Phone/tablet — automatic sharpness & exposure gate |
| Quality-Gated Front Camera | Selfie capture on mobile |
| Manual Camera | Direct camera control, manual shutter |
| USB / UVC Iriscope (Dino-Lite) | Professional iriscope via USB |
| PLR Video Mode | Pupillary light reflex (video analysis) |
| Import from Gallery | Re-analyse a previously saved iris photo |
Special Note for Smart Phone Users: Using a Clip-On Glare Filter for Better Eye Photos
Capturing clear images of the human eye can be tricky, especially because the surface of the eye is highly reflective. Light sources (like overhead lights or your phone’s flash) often create bright glare spots that interfere with accurate detection and image quality.
A clip-on glare filter (typically a polarizing filter) attaches directly over your phone’s camera lens and works by:
- Reducing harsh reflections on the eye surface
- Improving visibility of the iris and pupil
- Increasing contrast and detail
- Producing more consistent and usable images
The result is a much clearer view of the eye’s structure, which is especially important for any kind of analysis or detection.
Cost & Quality Differences #
- $20–$30 USD
- Mid-range filters
- Noticeably better glare reduction
- More consistent optical quality
- $5–$15 USD (budget / generic versions)
- Widely available (often from overseas sellers)
- May reduce some glare, but less effectively
- Lower build quality and less reliable results
In practice, cheaper filters can help, but higher-quality ones tend to produce significantly cleaner images.
Practical Tips #
- Avoid using flash — rely on soft, indirect lighting
- Slightly adjust the angle of the camera to minimize reflections
- Make sure the filter is clean and aligned with the lens
- Keep the eye well-lit, but not directly blasted with light
For smart phones, A simple clip-on glare filter is a low-cost upgrade that can dramatically improve eye image quality. For around $25 USD, it can make the difference between inconsistent, reflection-heavy shots and clean, reliable captures.
