TONOMETERS AT-A-GLANCE

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COMPANY
TYPE
CALIBRATION RANGE
METHOD BENEFITS
Accutome, 800-979-2020, accutome.com
AccuPen
Handheld
7-60 mmHg
Contact Tip
•15,000 readings per battery
•No “Up, Down, Around” calibration required
•Takes average of 9 readings and accounts for corneal thickness
BICOM Inc, 800-877-342-8667, tonometerdiaton.com
Diaton
Handheld
5-60 mmHg Eyelid Only
Contact Tip
•Takes measurement through the eyelid
•Can take reading in standing, seated, or supine positions
•No sterilization required
Canon, 800-970-7227, usa.canon.com/eye-care
TX-20
Tabletop
0-60 mmHg
Air Puff
•Fully automatic, one-touch operation takes pressure in both eyes
•When reading cannot be made, unit takes snapshot of patient’s eyes to show alignment
•External fixation options for patients with reduced central vision
•5.7-in. color monitor tilts 40° for ease of use, standing or sitting
Haag-Streit, 800-787-5426, haag-streit.com
AT-900D
Slit Lamp
3-75 mmHg
Contact Tip
•Easy-to-read digital IOP display
•Direct connection to IT system possible
•Automatic L/R eye recognition
iCare, 888-422-7313, icare-usa.com
TAO1i
Handheld +/- 1.2mmHg (<20 mmHg) Single-use sterilized probe •No anesthetic drops
•No air puff
•No calibration
•No evidence of impact on cornea
Keeler, 800-523-5620, keelerusa.com
Pulsair
intelliPuff
Handheld/
Tabletop
5-50 mmHg
Air Puff
•Lightweight, in-office handheld unit
•Takes average of 4 readings to 0.1°
•Wall mounting available for charging base
Kowa, 800-966-5692, kowa-usa.com
HA-2
Handheld
1-60 mmHg
Contact Prism
•Compact and lightweight; excellent
backup unit
•Built-in illumination
•Direct reading dial
Marco, 800-874-5274, marco.com
M3 Tabletop
1-60 mmHg
Air Puff
•Super Luminescent Diode allows accurate measurement for patients with cataracts, corneal opacities, post-Lasik, and IOL’s
•Auto-K, Auto-Rx, and NCT in one
•Smaller footprint takes up less space
Oculus, 888-284-8004, oculus.de
Corvis STL Tabletop
6-60 mmHg Air Puff
•Video of air puff with visualization of the deformation response of the cornea
•Provides 4,330 frames/second with high- speed Scheimpflug-camera
•IOP and pachymetry are measured
Reichert, 888-849-8955, reichert.com
Ocular
Response Analyzer

Tabletop
1-60 mmHg
Non-Contact
•Measures Corneal Hysteresis (CH) which is
independently predictive of glaucoma progression
Tono-Pen AVIA
Handheld
5-50 mmHg
Contact Tip
•Portable, lightweight, battery operated
•Use in any position
•Averages up to 10 measurements
•Less sensitive to corneal centration
PT 100
Handheld
1-60 mmHg
Non-Contact
•Totally portable; no cables or wires
•Lightweight, battery operated
•Charging base, printer, and carrying case
Reichert’ 7CR Auto
Tonometer w/ Corneal Response Technology

Tabletop
0-60 mmHg
Non-Contact
•Provides corneal compensated IOP (IOPcc), a pressure measurement that has been shown to be less dependent on corneal properties
Tomey, 888-449-4045, tomeyusa.com
FT-1000
Tabletop
0-60 mmHg
Air Puff
•5.7-in. LCD display for operator
•Ease of use to operator
•Simple maintenance
Topcon, 800-223-1130, topconmedical.com
CT-80
Tabletop
0-60 mmHg Air Puff
•30% faster measurement time
•Automatic alignment, focus, measurement
•Dual sensor measurement system
Ziemer, 866-708-4490, ziemergroup.com
PASCAL Slit Lamp 5-80 mmHg Contact Tip •Cornea independent; can be used on patients with irregular corneas
•Highest repeatability for a IOP progression analysis
•Ocular pulse amplitude; allows for short term measurements of pressure fluctuation
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