Nidek Al-Scan Optical Biometer

Optical measurement

Axial length Measurement Range 14 to 40mm

Display increments 0.01mm

Measurement method Low-coherence interferometry (LCI)

Corneal curvature radius Measurement Range 5.00 to 13.00 mm

Display increments 0.01 mm

Anterior chamber depth Measurement Range 1.5 to 6.5 mm

Display increments 0.01 mm

Central corneal thickness Measurement Range 250 to 1,300 µm

Display increments 1 µm

White-to-white distance Measurement Range 7 to 14 mm

Display increments 0.1 mm

Pupil size Measurement Range 1 to 10 mm

Display increments 0.1 mm

Ultrasonic measurement

Axial length Measurement Range 12 to 40 mm

Display increments 0.01 mm

Corneal thickness Measurement Range 200 to 1,300 µm

Display increments 1 µm

IOL power calculation formula SRK, SRK II, SRK/T, Binkhorst, Hoffer Q, Holladay 1,

Conventional Haigis, Camellin-Calossi

Camellin-Calossi, Shammas PL

Post-LASIK X-Y-Z directions

Auto tracking Available

Auto shot Tiltable 8.4-inch color LCD touch screen

Display Thermal line printer with the automatic paper cutter

Printer LAN, USB

Interface AC 100 to 240 V

Power supply 50/60 Hz

100 VA

Power consumption 283 (W) x 504 (D) x 457 (H) mm / 21 kg

Dimensions/Mass 11.1 (W) x 19.8 (D) x 18.0 (H)” / 46 lbs.

AL-Scan Viewer for NAVIS-EX*

IOL calculation formula

Conventional SRK, SRK II, SRK/T, Binkhorst, Hoffer Q, Holladay 1, Haigis,

Camellin-Calossi, Barrett Universal II

Post-LASIK Camellin-Calossi, Shammas-PL, Barrett True-K

Toric calculator Barrett Toric Calculator

Additional features

IOL registration Maximum data entry for 100 IOLs

Surgeon registration Maximum of 50 Surgeons

Surgeon-specific constant Available optimization

Table Electrical Table

External PC Computer Yes, Included

Printer Color

UPS 2 KVA