A Tonometry Device Measures Pressure In Various Body Parts, Including The Eyeball Or Intraocular Pressure

     

Tonometry Device

Tonometry is a diagnostic technique that is commonly used to measure the intraocular pressure (IOP) of the eye. IOP is the fluid pressure inside the eye and is an important indicator of the health of the eye. High intraocular pressure can lead to glaucoma, a condition that can cause permanent vision loss. Tonometry Device is used to measure the IOP and are an important tool for diagnosing and managing glaucoma.

According To Coherent Market Insights, Global Tonometry Device Market Is Estimated To Be Valued At US$ 109.68 Million In 2022 And Is Expected To Exhibit A CAGR Of 6.1% During The Forecast Period (2022-2030).

There are several types of Tonometry Device available, each with its own advantages and disadvantages.

Goldmann Applanation Tonometer (GAT)- The Goldmann applanation tonometer (GAT) is the most commonly used tonometer in clinical practice. It uses a small probe that is placed on the cornea to measure the IOP. The probe is attached to a device that has a calibrated scale that indicates the pressure in millimeters of mercury (mmHg).

To measure the IOP, the probe is first sterilized and coated with a small amount of anesthetic eye drops. The patient is then asked to sit in a chair and look straight ahead while the tonometer is gently placed on the cornea. The tonometer applies a small amount of force to the cornea, which flattens a small area of the cornea. The amount of force required to flatten the cornea is directly proportional to the IOP. The tonometer then measures the IOP and displays the result on the calibrated scale.

The GAT is accurate and reliable, but it requires a skilled operator to use it correctly. The procedure can be uncomfortable for the patient, and there is a small risk of corneal abrasion or infection if the probe is not sterilized properly.

Non-Contact Tonometry (NCT)- Non-contact tonometry (NCT) is a newer technique that does not require contact with the cornea. Instead, it uses a puff of air to measure the IOP. The device consists of a small machine that emits a puff of air onto the cornea. The machine measures the force of the air as it bounces back off the cornea, which is directly proportional to the IOP.

NCT is quick, painless, and requires no anesthetic eye drops. However, it is not as accurate as GAT, especially in patients with thick corneas. It is also not suitable for patients with corneal irregularities, such as scarring or astigmatism.

Surgical Equipment is a specially created tool for carrying out particular surgeries and operations, such changing biological tissue or providing accessibility for inside body views.

Dynamic Contour Tonometry (DCT)- Dynamic contour tonometry (DCT) is a newer technique that measures the IOP by contouring to the shape of the cornea. It uses a small probe that is placed on the cornea, similar to GAT. However, instead of applying a fixed amount of force to the cornea, DCT measures the amount of force required to indent the cornea. The device then uses this information to calculate the IOP.

DCT is more accurate than NCT and is suitable for patients with corneal irregularities. However, it is more expensive than GAT and requires a skilled operator to use it correctly.

Tono-Pen -The Tono-Pen is a handheld tonometer that is similar to GAT. It uses a small probe that is placed on the cornea to measure the IOP. However, unlike GAT, the Tono-Pen is portable and can be used in a variety of settings, including in the field or in a doctor's office.

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