AKR 550
Essilor
Auto-Refractor/ Keratometer
The AKR 550 is a high-performance auto kerato-refractometer designed to capture refractive and keratometry data quickly and accurately. It supports objective refraction, keratometry, small-pupil measurement, automatic pupil size measurement, and guided alignment with auto-shoot, helping eye care professionals streamline the pre-testing process.
Key Specs
Device type: Auto Kerato-Refractometer
Product functions: Objective refraction and keratometry
Sphere range: -30.00D to +22.00D
Cylinder range: Up to ±10.00D
Axis measurement: 0° to 180°
Minimum measurable pupil diameter: 2.0 mm
PD measurement: 85 mm
Pupil diameter measurement: 2.0 mm to 8.5 mm
Keratometry measurements: Corneal curvature, corneal refraction, corneal astigmatism, and astigmatism axis
Integrated printer: Built-in printer included
Connectivity: RS-232C external output terminal
Dimensions and weight: 260(L) x 442(D) x 445(H) mm; 13 kg
Standout Features
High measurement accuracy, even with small pupils
Guided alignment and auto-shoot, where measurement starts automatically once focus is achieved
Automatic pupil size measurement in both scotopic and photopic light conditions
Tilting and swiveling screen for use in seated or standing positions
Automated refraction chain compatibility, allowing connection to the APH 550 automatic refractor for automatic transmission of objective refraction data