Tonometry
IOP is considered one of the “eye vital signs” and should be measured in every patient with an eye complaint or in whom the clinician suspects glaucoma - Gavin Gorrell
image by: Tonywirthlin
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How to use the Reichert Tono-pen AVIA
- Put on the protective cover. Make sure not to make it too tight or too loose.
- Press the blue button once. You will hear one beep. The green light will turn on and the screen will show a series of dashed lines in the bottom right corner.
- Hold the Tono-pen perpendicularly to the corneal surface. Tap gently and try to avoid wild variations in the pressure you apply between taps. For each tap that is recorded, a number will appear in the bottom right corner. You need 10 in total. The larger number is your pressure reading. The smaller number is your confidence interval.
Resources
A Game Changer for Measuring Intraocular Pressure
Measuring the intraocular pressure (IOP) no longer requires placing something on the surface of the cornea. The FDA has approved the use of a new device, called Diaton Tonometer, which measures IOP through the eyelid and sclera.
Emergency Rooms Now Choose Painless, Safe and Precise Glaucoma Diagnostic Tonometry Technology...
Groundbreaking tonometry technology from BiCOM Inc., Diaton Tonometer now allows Emergency Departments and Emergency Rooms (ED / ER) in hospitals to accurately screen patients of all ages for elevated intraocular pressure (IOP) through eyelid and sclera, without touching the eyeball direct and without need of numbing drops.
How to use the Tonopen
From Tonopen Website for the use of the device in our ED.
Intraocular Pressure
IOP is considered one of the “eye vital signs” and should be measured in every patient with an eye complaint or in whom the clinician suspects glaucoma.
The Do's and Don'ts of Measuring IOP
Obtaining an accurate IOP reading can be challenging. Try these tonometry tips to help you develop a trusty technique.
How to use the Reichert Tono-pen AVIA
Having trouble getting accurate readings with the Tono-pen? Try calibrating it before using.
Diaton
Tonometer Diaton allows to measure intraocular pressure over upper eyelid with no contact with cornea and without use of drops.
icare
iCare tonometers use a patented rebound technology for quick and reliable intraocular pressure (IOP) measurements.
Tono-Pen
An award-winning ergonomic design, long life battery good for thousands of measurements, statistical confidence indicator, and now Quick-Tap® Measurement Mode, make it the most advanced Tono-Pen® yet. The one you trust in tonometry.
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