Refractive Measurement Range:

• Sphere Power -28.75D to +27.25 (Step: 0.12D, 0.25D, 0.5D and 1.0D)
• Cylinder Power 0D to ±6D (Step: 0.25D, .5D, 1.0D)
• Axis Adjustment 1° to 180° (Step: 1, 5, 10)
• Cross Cylinder Test ±0.25D, ±.5D, and Split
• Prism 0 to 20 per eye (Step: 0.01, 0.5, 1.0)
• Corneal Vertex Distance 12, 13.75, 15, and 18 mm
• Pupil Distance 45 to 80 mm (Step: 0.5 mm, 1 mm)
• Auxillary Lenses: Open Occluder, Red Maddox Rod, Pinhole, 0.25D Xcyl, 0.50D Xcyl, Red/ Green Filters, Dissociation Prisms, Polarization Filters, Split Cylinder, Retinoscopy Lens, Fixed Cross Cylinder, Close Occluder, Fog Lenses, Cross Hair Lens

Phoroptor Head:

• Width × Height × Depth 38.5-41.3 x 31.6 x 11.4 cm (15.1-16.2 x 12.4 x 4.5 in)
• Weight 5.0 kg (11.0 lbs)

Controller:

• Width × Height × Depth 27.2 x 16.5-20.4 x 29.3 cm (10.7 x 6.5- 8.0 x 11.5 in)
• Weight 2.6 kg (5.7 lbs)

Relay Box Assembly:

• Width × Height × Depth 32.6 x 10.3 x 11.9 cm (12.8 x 4.0 x 4.7 in)
• Weight 2.4 kg (5.3 lbs)
• Input Voltage 100 - 240V~ Frequency 50-60 Hz
• Current (max.) 90 VA
• Fuses T2AL 250V
• Ports Inst 1, Inst 2, EMR, Proj, Transfer, Head, Controller

SightChek Assembly in Package:

• Width × Height × Depth 46.0 x 47.2 x 64.0 cm (18.1 x 18.6 x 25.2 in)

Weight 16.0 kg (35.3 lbs)