Tonometers are highly effective devices used for treating eye related disease
Tonometers measure intraocular
pressure in the eye. Accurate measurement of this pressure is important for
diagnosing and managing glaucoma. They are available in many forms, from
well-established instruments to newer, less invasive devices. Each one has its
benefits and disadvantages and is used for different purposes and patient
populations.
They come in a variety of styles
and prices. Some are able to measure intraocular pressure without touching the
eye. A new version of the Perkins Mark 2 Tonometer has an ergonomic design and
a tonogrip prism holder.
According to Coherent Market insights the Global
Tonometers Market Global Industry Insights, Trends, Outlook, and
Opportunity Analysis, 2022-2028.
Non-contact tonometry reduces the
risk of transmission of disease to the eye. Non-contact tonometry uses the
contour-matching principle and eliminates mechanical changes. Another new model
is called a Dynamic Contour Tonometer, or DCT. This device is similar to a
Goldmann applanation tonometer but is not a variable-force tonometer. They can
be used to diagnose or treat various eye conditions. However, it can be a good
option for a patient with a narrow range of IOP. There are different types of tonometers,
including the GAT, the Non-contact Tonometer, and the Goldmann Applanation
Tonometer. The latter uses a disposable metallic probe and colbalt blue filter.
These methods are less invasive and more convenient. Non-contact tonometry is
often used in pediatric care, and it is easy for doctors to perform it in
children.
Non-contact one are needs to be cleaned
and disinfected regularly. In general, non-contact tonometers
underestimate high IOP and overestimate low IOP.
Handheld one can be used to
measure IOP. They are portable and use a combination of applanation and
indentation to measure the IOP. This device has a small plunger and a footplate
that curves upward to contact the cornea. The weight of the plunger is
adjustable from 5 to fifteen grams. The amount of indentation the tonometer
creates is proportional to the IOP.
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