1. Compact & Ergonomic Design: Built with a space‑saving, ergonomic form factor ideal for clinics with limited space.
2. Visual Field Testing Capabilities: Offers a variety of testing patterns, including Glaucoma screening, Full Field, Central 10°, Central 30°, Vertical Meridian, Peripheral, Macula, Ptosis, and Driving tests.
3. GHT (Glaucoma Hemifield Test) algorithm helps interpret visual field results and highlights the depth of the defect.
4. Test Reliability Measures: Monitors fixation losses, false positives, and false negatives to ensure test quality using blind‑spot and attention monitoring.
5. Flicker Perimetry: the Glaufield Flicker Perimetry function can be combined with any standard test, increasing the flexibility for use in private practice, hospital clinic, or research.
6. Testing Patterns: The Appa Perimeters have a wide range of tests available to suit every need – Glaucoma, Full Field, Central 10, Central 30, Vertical Meridian, Ptosis, Peripheral, Macula, Driving Test and others.
7. Analysis Software: Field Explorer v4.0 software is intuitive and user-friendly, allowing even inexperienced operators to quickly review, manage, and print patient exams