Autorefractor Keratometer NIDEK ARK-1A – Auto Refractor ​/​ Keratometer Refraction + Keratometry with Auto-Tracking Made in Japan Key Features: ✅ Refraction + Keratometry Combined Measures objective refraction (spherical, cylindrical, axis) Measures corneal curvature (keratometry) Accurate and consistent for pre-exam and pre-op assessment ✅ Auto-Tracking + Auto-Shot Automatically detects and tracks the eye Captures measurement automatically – smooth & fast workflow Greatly reduces operator fatigue and error ✅ Dual Pupil Zone Measurement Provides Day​/​Night vision simulation Measures central and peripheral refraction for more natural vision results Ideal for multifocal lens candidates ✅ Pupil Size & Corneal Diameter Measurement Built-in PD (pupillary distance) and corneal diameter measurement All-in-one screening before refraction or fitting contact lenses ✅ Compact and Ergonomic Design Space-saving footprint User-friendly, intuitive touch screen Quiet, fast operation ✅ Data Management & Connectivity USB and LAN ports for data transfer Optional printer or EMR integration Technical Specifications (approx.): Refraction range: Sphere: -30 D to +25 D Cylinder: 0 D to ±12 D Keratometry range: 5.00 to 10.00 mm (33.75 to 67.50 D) Pupil diameter: ≥2.0 mm Display: 8.4” color LCD touchscreen Power: 100–240 V, 50​/​60 Hz Weight: ~19 kg Condition: Fully tested, patient-ready ✅ Ideal for: Eye clinics, optical stores, surgery centers, and hospitals Return Policy: Items are sold as-is with no returns or refunds available unless explicitly stated.