Product Description

The BARK-800 Autorefractor/Keratometer by Burton is designed to measure the eye with ultra-precision and speed, providing reliable data for refraction and contact lens fittings. This compact machine is designed for patient comfort and is seamless to operate. 

Features & Specifications


  • Comes with standard Burton 3 year warranty
  • Two operational modes designed to take measurements quickly
  • Retro-illumination imaging to help see crystalline lenses, cataracts and corneal scratches
  • Accurately measures iris & pupil diameters
  • Precise temperature sensor compensation
  • Ergonomically designed motorized chin rest
  • Automatic high-speed cutting printer
  • One touch lock-knob operation
  • 20 degree touch & tilt color monitor display
  • Sharp images with TFT LCD graphic user interface
  • Networking capabilities

Technical Specifications

Measurement Mode

R / K mode Successive Refractometry & Keratometry
Ref mode Refractometry
Ker mode Keratometry
CLBC mode Contact lens base curve measurement


Vertex Distance (VD) 0, 10, 12, 13.5, 15 mm
SPH -25.00 ~ +22.00D (0.12D / 0.25D)
CYL 0.00 ~ +/-10.00D
AX 1 ~ 180°
Cylinder form -, +, +/-
Pupil Distance 10 ~ 85mm
Minimum Pupil Diameter Φ 2.0


Radius of Curvature 5.0 ~ 10.2mm
Corneal Power 33 ~ 67.50D
Corneal Astigmatism 00.0 ~ -15.00D (0.05 / 0.12 / 0.25D)
AXIS 1 ~ 180°
Corneal Diameter 2.0 ~ 12.0 mm


Printer Thermal / Automatic cut printing
Power Saving Nominate by 3,5,10 minutes
Display 6.4inch TFT LCD colored Monitor
Power Supply AC 100 ~ 240V, 50 / 60Hz / 90W
Dimension / Weight 275(W) X 525(D) X 440(H), 20Kg
Chinrest Movement Max., 65mm , Motorized operating
Data Out-put RS-232 Interface, Video Output

Ophthalmic Equipment by Burton

With over 70 years of experience delivering high value equipment to the United States and beyond, Burton is a trusted name in ophthalmic instruments. Every Burton BARK-800 Autorefractor/Keratometer comes with an industry leading 3 year warranty. The Burton product line comes with exceptional value and a highly qualified customer service team. Contact us today to learn more about how tradition meets innovation with the NEW Burton Ophthalmic! 

Talk to Our Experts

Our team is dedicated to the eye industry, and can help you select the correct products for your practice. Don’t see what you want? Drop us a line and we can also work within the teams at Enhanced Medical Services to provide you with all your new and used ophthalmic equipment needs.