Ophthalmic optical biometer
SPECIFICATION | ||
---|---|---|
Measuring Range | Axial length | 14-38mm |
Corneal curvature | 5-11mm | |
Anterior chamber depth | 0.7-8mm | |
Lens thickness | 1-10mm(lens) | |
0.13-2.5mm(intraocular lens) | ||
Center cornea thickness | 0.2-1.2mm | |
Cornea white to white | 7-16mm | |
Pupil diameter | 2-13mm | |
Curvature range | 180 degree | |
Accuracy | Axial length | 0.01mm |
Corneal curvature | 0.01mm | |
Anterior chamber depth | 0.01mm | |
Lens thickness | 0.01mm | |
Center cornea thickness | 0.01mm | |
White to white | 0.1mm | |
Pupil diameter | 0.01mm | |
Axis of sight eccentricity | 0.01mm | |
Axis angle | 1 degree | |
Repeatability | Axial length | 0.02mm |
Corneal curvature | (1σ)+/-30μm | |
Anterior chamber depth | 0.02mm | |
Lens thickness | 0.02mm | |
Center cornea thickness | 0.02mm | |
White to white | (1σ)+/-0.3μm | |
Curvature difference | ±9 degree | |
Calculation formula of intraocular lens | interface | voltage/frequency |
Bink Horst-Ⅱ、Holladay、Hoffer-Q、Haigis、SRK-T、SRK Ⅱ | USB 2.0 window 10 | AC110-240V/50HZ |