Compare Tonometers

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At-a-Glance

Description

FDA

CE Mark

System

Type

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  • Functions: Autorefractor, Keratometer
  • Measurable Ranges
    • Sphere: -30D to +25D 0.01, 0.12, 0.25D step
    • Cylinder: 0 to ±12D 0.01/0.12/0.25D step
    • Axis: 0 to 180° 1°/5° step
    • Minimum Pupil Diameter: 2.6mm
  • Size is 10.23 in.(W) x 18.93 in.(D) x 19.9 in.(H) and weight is 50.7 lbs.

The Marco M3 Autorefractor/Autokeratometer/non-contact tonometer is fully automatic, and uses three axes to track the eye. The M3 also adopts the advanced pupil zone imaging method for refraction measurement.

Yes

Yes

Standalone

  • Optional motorized chinrest
  • IOP measurement is 0-60mmHg
  • Measuring increment is ±0.10mmHg
  • Corneal hysteresis
  • 12 in. Touchscreen

The Ocular Response Analyzer is capable of measuring corneal biomechanical properties, such as corneal hysteresis, and corneal compensated IOP. It features an all-in-one hardware platform with a 12 inch touch display screen, and is able to plug into a wired keyboard and mouse (optional).

Yes

Yes

Standalone Unit

Applanation

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  • Touch alignment with a reliable touch sensor
  • Constant air pressure
  • IOP measurement range is 0-60mmHg
  • Built-in printer

The FT-1000 Non-Contact Tonometer is patient friendly, and notifies patients of measurement timing. The FT-1000 considers patient safety with the touch sensor, and also features doctor-friendly operation, like comfortable operation and constant air pressure.

Yes

Not specified

Standalone Unit

Non-contact

  • Functions: Autorefractor, Keratometer, Tonometer, Pachymeter
  • Measurable Ranges
    • Sphere: -30D to +25D (0.12D/0.25D steps)
    • Cylinder: 0D to ±12D (0.12D/0.25D steps)
    • Axis: 0° to 180° (1°/5° steps)
    • Minimum Pupil Diameter: ø 2.0mm
  • Size is 293-396mm(W) x 505-601mm(D) x 470-682mm(H) and weight is 22.0 kg

The TRK-2P combines a refractometer, a keratometer, a non-contact tonometer and a pachymeter in one compact instrument. The TRK-2P has a fully auto alignment system with auto measurement function. The compact size and 8,5” rotating color touch screen control panel offers flexibility for the operator and also for instrument location.

No

Yes

Standalone Unit

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  • Easy automatic alignment and measurement
  • Adjustable LCD screen accommodations
  • IOP measurement range is 1-40mmHg 1-60mmHg(selectable) and the measuring increment is ±1mmHg
  • Built-in printer

The NT-510 non-contact tonometer features easy automatic alignment and measurement to help the user obtain correct patient measurements. It also includes advanced soft air puff control, an LCD screen and a safety lock to prevent accidental patient contact.

No

Yes

Standalone Unit

Non-contact

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  • Autorefractor, Keratometer, Tonometer
  • Measurable Ranges
  • IOP Measurement Range: 0-60 mmHg, includes automatic shifting between 30/60 mmHg
  • Measuring Increment: 1 mmHg
  • Size is 10.2 in.(w) x 19.3 in.(L) x 19.7 in.(h) and weight is 33 lbs.

The TX-20 Full Auto Tonometer features selectable measurement modes, and a tiltable color LCD monitor to make it easier for the operator to use. The TX-20 also has a fast built-in printer and includes a soft air puff to enhance patient comfort.

Yes

Yes

Standalone

Non-contact

  • Built-in self check function
  • Optional manual control
  • Internal fixation target
  • IOP measurement range is 0-60mmHg
  • Built-in printer

The CT-80 Computerized Tonometer is a non-contact tonometer that features a triple safety function. The CT-80 also features an optional manual control that allows the user to capture measurements.

No

Yes

Standalone Unit

Non-contact

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  • 3D auto alignment function allows quicker and easier measurement
  • Higher measurement success rate for eyes with IOL, in the IOL measurement mode
  • Exact Measurement or Range: Average indication 1mmHg / 0.1mmHg steps changeable
  • IOP measurement range is 1 to 60mmHg and the measuring increment is 1mm Hg step
  • Additional measurements: Pachymetry
  • EHR connection and built-in printer

The Topcon CT-800A, non-contact computerized tonometer, enables easy intraocular pressure measurement.

Not specified

Yes

Standalone Unit

Non-contact

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  • Slow motion video of the corneal deformation as a result of the air pulse
  • Measurement of the corneal thickness
  • Red LED Fixation light for patients
  • Measurements:
    • Range: 200-1,200µm
    • Measurement Increment: 1µm
    • Accuracy: ±3.0µm
  • Built-in IOP calculator

The revolutionary Corvis STL records the reaction of the cornea to a defined air pulse with a newly developed high-speed Scheimpflug-camera that takes over 4,300 images per second. IOP and corneal thickness can be measured with great precision on the basis of the Scheimpflug images.

Yes

Yes

Standalone Unit

  • 3 models (Model R, BQ, and T)
  • No standardization or calibration difficulties
  • Exact Measurement or Range:  0-58.84mN
  • IOP measurement range is 0-80mmHg and measuring increment is ± 0.5mmHg
  • Calibration Required (1x Monthly)

The AT-900 Tonometer is compatible with Haag-Streit 900 series slit lamps, as well as other brands of slit lamps. The AT-900 features the ability to use reusable tonometer prisms or Tonosafe disposable prisms.

Yes

Yes

Slit lamp attachment

Applanation Goldman

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  • Built-in LED illumination
  • Use disposable or reusable prisms
  • Calibration required (Regular intervals or when user feels it is necessary)
  • Rechargable battery

The Perkins Mark 2 Tonometer features a tonogrip prism holder and a new ergonomic design. It is tonosafe compatible and includes an integrated rechargable battery.

Yes

Not specified

Handheld

Applanation Goldman

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  • IOP measurement range is 7-60mmHg and the measuring increment is 1mmHg
  • Stores and averages nine measurements
  • Built-in IOP Correction Calculator adjusts IOP based on central corneal thickness

Busy facilities deserve and instrument that will come through in the clutch, which is why Accutome is proud to offer the AccuPen handheld tonometer for patient IOP screening.

Yes

Yes

Handheld

Applanation

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  • Disposable probe
  • Forehead support for more accurate patient measurements
  • Exact Measurement or Range: 7-50mmHg
  • IOP measurement range is 0-99mmHg and the measuring increment is ±1mmHg

The TA01 Tonometer has an ergonomic design that is lightweight and easy to use. The TA01 is hygenic and can help improve patient flow in an ophthalmologist's practice.

Yes

Yes

Handheld

Applanation

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  • Icare AMS: Automatic Measuring Sequence series and single mode with one button
  • Icare EasyNav: Advanced navigation interface
  • Icare EasyPos: Intelligent positioning assistant for correct alignment
  • Exact Measurement or Range: 7-50mmHg
  • Measurements Per Second: ±1.2mmHg (≤20mmHg) and ±2.2mmHg (>20mmHg)

The Icare ic100 is based on a rebound measuring principle that requires no drops, air or specialized skills for its use. This device uses patented rebound technology to measure intraocular pressure. Icare's proprietary algorithm coupled with their software allows the device to evaluate deceleration, contact time and other motion parameters of the probe when it touches the cornea. The tonometer also incorporates a new design and user interface.

Yes

Yes

Handheld

Applanation Goldman

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  • Exact Measurement or Range: 5-50mmHg
  • Automatic Alignment

Icare HOME tonometer is designed for home use for Glaucoma Patients or suspects, who need regular IOP monitoring by Ophthalmologists recommendation. It is one of the first methods for 24h IOP monitoring outside the clinic.

Yes

Yes

Handheld

Rebound

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  • DCR: Dynamic Corneal Response
  • Can email videos to patients phones
  • Provides a variety of measurement and display options
  • Measurements:
    • Range: 200-1,200μm
    • Frequency: 4,330 images per sec
  • Built-in IOP calculator

The Corvis ST records the reaction of the cornea to a defined air pulse with a newly developed Scheimpflug-camera that takes over 4,3000 images per second. IOP and corneal thickness can be measured with precision on the basis of the Scheimpflug images.

No

Yes

Standalone Unit

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  • Able to measure IOP in immobilized patients and children
  • Automated process of IOP measuring
  • Able to measure IOP through the eyelid
  • Short time measurement

The Diaton tonometer has the ability to measure a patient's IOP through their eyelid. It can measure patients in a reclining position or a sitting position, and sterilization and anesthesia are not required.

Yes

Yes

Handheld

Non-contact

  • LED display for ease of use
  • Convenient to use on multiple slit lamps
  • Display reading to 1 decimal point
  • IOP measurement range is 5-65mmHg
  • Calibration Required (Annually)

The D-KAT Digital Applanation Tonometer T Type is intended for measuring intraocular pressure to aid in the screening and diagnosis of glaucoma. The T type is designed to remove easily and is convenient to use on multiple slit lamps.

Yes

Yes

Slit lamp attachment

Applanation Goldman

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  • Wall mountable
  • IOP measurement range is 5-50mmHg and the measuring increment ±5mmHg 
  • Calibration Required (Annually)
  • Built-in printer

The Pulsair intelliPuff is designed to accurately measure intraocular pressure without making contact with the surface of the eye. The intelliPuff also features a built-in printer to provide the user with patient readings.

Yes

Yes

Standalone

Non-contact

  • Easy to read LCD display
  • 1.0 mm diameter transducer tip
  • Accurate and objective IOP measurement
  • 500 Measurements Per Second 
  • IOP measurement range is 5-80mmHg
  • Calibration required (Every day, prior to first use)

The Tono-Pen XL Tonometer features leading edge recognition software to ensure that measurements are only taken at applanation. It is easy to use, and includes an easy-to-read LCD display.

No

Yes

Handheld

Applanation

  • Takes the average of 10 independent readings
  • 1.0 mm diameter transducer tip
  • IOP measurement range is 5-55mmHg

The Tono-Pen AVIA is an applanation tonometer that features an ergonomic design and takes an average of 10 independent readings to provide reliable tonometry results. It's powered by a POWERCEL Battery pack that lasts over 2,500 measurements, and is lightweight so measurements can be taken anywhere.

Yes

Yes

Handheld

Applanation

  • LED display for ease of use
  • Contains calibration arm and re-useable tonometer cone
  • Fixed to the slit lamp
  • IOP measurement range is 5-65mmHg
  • Calibration required (Annually)

The D-KAT Digital Applanation Tonometer R Type is intended for measuring intraocular pressure to aid in the screening and diagnosis of glaucoma. The R type is designed to attach to the slit lamp.

Yes

Yes

Slit lamp attachment

Applanation Goldman

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  • 4 anti slip rubber feat
  • USB transfer port
  • IOP measurement range is 5-50mmHg and that measuring increment is ±5mmHg
  •  Calibration required (Annually)
  • Built-in printer

The Pulsair Desktop tonometer is an air puff tonometer designed to measure intraocular pressure without making contact with the surface of the eye. The Pulsiar Desktop Tonometer features an adjustable chinrest and 4 non-slip feet to ensure accurate measurements of patients.

Yes

Yes

Standalone Unit

Non-contact

  • One touch, single, or multiple-measurement mode
  • IOP measurement range is 0- 60mmHg
  • Calibration required (Automatic at start up)
  • EHR connection
  • Built-in printer

The Reichert 7 Auto Tonometer features a user-friendly touch screen, and is fully automated. The touch screen user interface clearly displays all measurement data, and the Reichert 7 has the ability to connect to EMR systems via a USB port.

No

Yes

Standalone Unit

Non-contact

  • Designed for BQ styled slit lamps
  • IOP measurement range is 0-80mmHg
  • Calibration required (Annually)

The Keeler Applanation Tonometer (KAT) type BQ operates according to the Goldmann method, and attaches to the slit lamp. The KAT type BQ is designed specifically to fit the Haag Streit BQ, BP, and BX Slit Lamps and fits directly to the optics support arm.

Yes

Yes

Slit lamp attachment

Applanation Goldman

  •  IOPg (Goldmann Correlated IOP and IOPcc (Corneal Compensated IOP) clearly displayed on color LCD
  • Completely automated alignment and measurement
  • IOP measurement range is 7-60mmHg and the measuring increment is ±1.0mmHg
  • Calibration required (At start up)
  • EHR connection
  • Built-in printer

The Reichert 7CR Auto Tonometer + Corneal Response Technology provides compensated IOP (IOPcc) measurements for the user. The 7CR also features triple measurement mode to provide 3 consecutive IOP measurements in a single button press.

No

Yes

Standalone Unit

Non-contact

  • Contains calibration arm and re-useable tonometer cone
  • Low battery usage
  • IOP measurement range is 5-65mmHg
  • Calibration required (Annually)

The KAT Applanation Tonometer R Type is intended for measuring intraocular pressure to aid in the screening and diagnosis of glaucoma. The R type is designed to attach to the slit lamp.

Yes

Yes

Slit lamp attachment

Applanation Goldman

  • Multi-modality
  • Pneumatic probe
  • IOP measurement range is 0-40mmHg, 40-80mmHg and the measuring increment is ±1.5mmHg, ±3.5mmHg
  • Additional Measurements: Ocular Pulse Amplitude
  • Built-in printer

The Model 30 Pneumatonometer is used to measure intraocular pressure non-invasively through applanation tonometry. The Model 30 has the ability to take pulse tonometry, and uses a pneumatic probe to capture accurate measurements.

No

Yes

Standalone Unit

Applanation

  • Display reading to 1 decimal point
  • IOP measurement range is 0-80mmHg
  • Calibration required (Annually)

The KAT Applanation Tonometer T Type is intended for measuring intraocular pressure to aid in the screening and diagnosis of glaucoma. The T type is designed to remove easily and is convenient to use on multiple slit lamps.

Yes

Yes

Slit lamp attachment

Applanation

  • Approximately 250 measurements per charge
  • Wireless data transfer capability
  • IOP measurement range is 0-60mmHg

The PT100 Portable Non-Contact Tonometer is lightweight, ergonomic, and is completely cordless for complete portability. On a single charge, the PT100 can take about 250 measurements.

No

Yes

Handheld

Non-contact

  • Calibration verification rod included
  • IOP measurement range is 0-80mmHg and the measuring increment is ±0.6mmHg
  • Calibration required

The CT 100 has the ability to mount onto a tower-style slit lamp, and can swing into position when necessary. The CT100 features a classic robust design and includes a slit lamp mount.

Yes

Not specified

Slit lamp attachment

Applanation

  • Calibration verification rod included
  • Does not interfere with normal diagnostic use of the slit lamp
  • IOP measurement range is 0-80mmHg and the measurement increment is ±0.5mmHg
  • Calibration required (1x Month)

The CT 210 mounts on a compact-style slit lamp, and swings into position when necessary. The CT 210 includes a calibration verification rod, and mounts easily onto the slit lamp.

Yes

Yes

Slit lamp attachment

Applanation

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  • Low battery usage
  • Display reading to 1 decimal point 
  • Exact Measurement or Range: 5-65mmHg (0.66 - 8.65kPa)

The D-KAT Z-type is reliable and easy to use, providing tonometry at it's very best. It operates according to the 'Goldmann method', by measuring intraocular pressure from the force required to flatten (applanate) a constant area (3.06mm) of the cornea. The LED display enables ease of use in darkened environments, whilst the internal electronics allow for the fast accurate measurement of IOP.

Yes

Yes

Slit lamp attachment

Applanation Goldman

  • Intuitive interface
  • Customized air pulse in real time for each eye being measured
  • Exact Measurement or Range: 7-60mmHg
  • EHR connection

Ocular Response Analyzer (ORA) G3 is the only tonometer that measures Corneal Hysteresis (CH), a predictor of glaucoma progression. Corneal Hysteresis is an indication of the biomechanical properties of the cornea differing from thickness or topography, which are geometrical attributes.

Not specified

Not specified

Standalone Unit

Applanation

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  • Built-in illumination
  • One-spring mechanism assures correct reading regardless of patient posture
  • Thumb wheel feature for Applanation
  • Direct reading type precision dial requires no conversion table
  • IOP measurement range is 0-60mmHg and the measuring increment is ±1mmHg, between 0-30mmHg ±2mmHg, between 30-60mmHg

The HA-2 Applanation tonometer features a unique one-spring mechanism that assures correct readings, regardless of patient posture. The HA-2 also has built-in illumination, which allows the user to take measurements regardless of lighting conditions.

Yes

Yes

Handheld

Applanation

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  • Insufficient eye opening sensor function
  • 3D auto alignment function
  • IOP measurement range is 0-60mmHg and the measuring increment is ±1mmHg
  • EHR connection
  • Built-in printer

The KT-800 non-contact tonometer features a 5 inch monitor and a thermal line printer. The KT-800 also includes a three-dimensional auto alignment function, and no range switching is necessary when taking a patient's intraocular pressure measurement.

Yes

Yes

Standalone Unit

Non-contact

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  • Feather touch sensor button
  • Smart puffing control system (SPC)
  • Smart alignment and auto-shot function
  • IOP measurement range is 1-60mmHg and the measuring increment is 1mmHg
  • Built-in printer

The NCT-200 features a smart puffing control system that allows the user to adjust air pressure instantly to match the patient's intraocular pressure. The NCT-200 includes a LCD monitor, which has a 40 degree tilt.

No

Yes

Standalone Unit

Non-contact