Applanation Tonometers (Applanation Tonometry)

Applanation tonometers are used to measure the Intraocular Pressure, or IOP, of the eye. IOP is often measured in millimeters of Mercury, (mmHg) and is determined by the amount of force that is needed to flatten, or applenate, a consistent area of the cornea. A topical anesthetic is often used because of the contact required.

The most widely accepted method is Goldmann Tonometry. A disinfected prism is placed on the tonometer and then placed against the cornea. With the use of a colbalt blue filter and a variable tension spring, IOP can be roughly measured with this less-invasive approach. Another method is Perkins tonometry, which is useful for children and anesthetized patients required to lay prone. Due to concern of cross-contamination between patients, some vendors are now offering one-time use prisms to rule out this risk.
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Essilor - DAT 500 Applanation Tonometer Type R/T/Z
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  • Dimensions (W × H × D): Inquire
  • Diameter of Applanation Field: Inquire
  • Measurement Accuracy: Inquire
  • Scale Reading: Inquire
  • Reading of Graduated Drum: Inquire
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  • Measuring Increment: Inquire
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Tonosafe™ Disposable Tonometer Prisms
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  • Dimensions (W × H × D): Inquire
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  • Measurement Accuracy: Inquire
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  • Reading of Graduated Drum: Inquire
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HA-2 Applanation Tonometer

HA-2 Applanation Tonometer

Kowa Optimed, Inc

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  • Diameter of Applanation Field: Inquire
  • Measurement Accuracy: Inquire
  • Scale Reading: Inquire
  • Reading of Graduated Drum: Inquire
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  • Weight: 240g/0.5lbs
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  • Measuring Increment: Inquire
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  • Power Supply: Inquire
  • Power Consumption: Inquire
  • Dimensions (W × H × D): Inquire
  • Diameter of Applanation Field: Inquire
  • Measurement Accuracy: Inquire
  • Scale Reading: Inquire
  • Reading of Graduated Drum: Inquire
  • Air Pump: Inquire
  • Weight: 240 g with AAA Batteries
  • Measurable Range: Inquire
  • Measuring Increment: 1mmHg division
  • Power Source: Welch Allyn ® Battery 72200 (3.5v)
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CT100 Contact Tonometer

CT100 Contact Tonometer

Reichert Technologies

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  • Dimensions (W × H × D): Inquire
  • Diameter of Applanation Field: Inquire
  • Measurement Accuracy: +/- 0.5 mmHg
  • Scale Reading: Inquire
  • Reading of Graduated Drum: Inquire
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CT210 Contact Tonometer

CT210 Contact Tonometer

Reichert Technologies

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  • Diameter of Applanation Field: Inquire
  • Measurement Accuracy: ± 0.6 mmHg
  • Scale Reading: Inquire
  • Reading of Graduated Drum: Inquire
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  • Weight: Inquire
  • Measurable Range: 0 - 80 mmHG
  • Measuring Increment: Inquire
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Model 30™ Pneumatonometer

Model 30™ Pneumatonometer

Reichert Technologies

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  • Dimensions (W × H × D): 14 in. (35.6 cm) x 5.25 in (13.3 cm) x 10.5 in (26.7 cm)
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  • Reading of Graduated Drum: Inquire
  • Weight: 10 lbs. (4.54 kg)
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  • Measuring Increment: Inquire
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  • Diameter of Applanation Field: Inquire
  • Measurement Accuracy: Inquire
  • Scale Reading: Inquire
  • Reading of Graduated Drum: Inquire
  • Air Pump: Inquire
  • Weight: 2.4oz. (71 g)
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  • Measuring Increment: Inquire
  • Power Source: Tono-Pen AVIA Powercel Battery Pack
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Tono-Pen® XL Applanation Tonometer

Reichert Technologies

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  • Dimensions (W × H × D): Inquire
  • Diameter of Applanation Field: Inquire
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  • Scale Reading: Inquire
  • Reading of Graduated Drum: Inquire
  • Air Pump: Inquire
  • Weight: 2.1 oz (59.4 g)
  • Measurable Range: Inquire
  • Measuring Increment: Inquire
  • Power Source: 2 Ocu-Cel XL Batteries
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  • Power Supply: Inquire
  • Power Consumption: Inquire
  • Dimensions (W × H × D): Inquire
  • Diameter of Applanation Field: Inquire
  • Measurement Accuracy: +/- 0.2mmHg
  • Scale Reading: Inquire
  • Reading of Graduated Drum: Inquire
  • Air Pump: Inquire
  • Weight: 210 grams
  • Measurable Range: IOP: 5-80mmHg
    OPA: >1.0mmHg
  • Measuring Increment: Inquire
  • Power Source: 3V Battery Pack (Disposable or Optional Rechargeable)
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AT 020 and AT 030 Applanation Tonometers
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  • Measurement Accuracy: Inquire
  • Scale Reading: Inquire
  • Reading of Graduated Drum: Inquire
  • Air Pump: Inquire
  • Weight: Inquire
  • Measurable Range: 0 - 78 mN
  • Measuring Increment: Inquire
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Icare Tonometer

Icare Tonometer

Icare USA

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  • Diameter of Applanation Field: Inquire
  • Measurement Accuracy: Inquire
  • Scale Reading: Inquire
  • Reading of Graduated Drum: Inquire
  • Air Pump: Inquire
  • Weight: 155 g (With out batteries)
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  • Measuring Increment: Inquire
  • Power Source: 4 x AA batteries
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KAT - Keeler Applanation Tonometer - Type BQ (Fixed)
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