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The Occuity
PM1 Pachymeter

Ophthalmic Series

The world’s first handheld, non-contact, optical pachymeter.

The Occuity PM1 pachymeter will make it easier, faster and safer to diagnose glaucoma by measuring corneal thickness in just a few seconds.

DUE TO IN LAUNCH 2022

The first of Occuity’s revolutionary handheld optical ophthalmic devices, the PM1 pachymeter allows both clinicians and technicians to take a corneal centre thickness measurement quickly and easily.

Simple to use, the PM1 pachymeter is held in front of the subject’s eye at a comfortable working distance. To take a measurement, the operator simply touches the screen to put the pachymeter in scanning mode and holds it up to the patient’s eye. The PM1 pachymeter’s advanced Precision Optical technology provides feedback to help the operator to position the device correctly. Once aligned the PM1 pachymeter automatically captures over 200 scans each second before immediately displaying the average of these measurements along with the standard deviation (precision) figure.

There is no need to anaesthetise or touch the eye, removing the risk of infection transmission and making the whole process much more comfortable, safer and quicker for both the operator and subject.

Features & Benefits

The Occuity PM1 pachymeter will provide the measuring and non-contacting capabilities of existing optical desktop devices at a price point comparable to the handheld contacting ultrasound devices.

Non-contact

A better clinician and patient experience

The PM1 pachymeter’s non-contact capabilities make it totally pain-free and a much better experience for both the clinician and the patient.

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Accurate

Measure Corneal thickness, accurately, reliably and repeatably

In-house testing indicates the Occuity PM1 pachymeter will be capable of delivering reliable, repeatable measurements with target accuracy of +/- 5 microns.

The PM1 will be undergoing clinical trials and CE certification in 2022.

Occuity's non-contact, handheld, PM1 Pachymeter for measuring corneal thickness
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Handheld

Desktop capability, handheld utility

The PM1 pachymeter’s compact design makes it easy to carry and store. You can use it handheld or if you prefer, in a slit-lamp mounted cradle, making it perfect for both clinical and non-clinical settings.

Reduce Chair Time

Results in just a few seconds

As the PM1 pachymeter is non-contacting, there is no need for anaesthetic eye drops. This significantly reduces the overall time it takes to make a measurement.

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Easy to operate

Intuitive design means no training is required

The PM1 pachymeter’s touchscreen interface has been thoughtfully designed making it easy and intuitive to use. Clinical staff and technicians can become proficient with just a few minutes of practice.

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Safer

Reduced risk of disease transmission and injury

With its generous working distance, the PM1 never touches the eye – removing the potential risk of cross infection and accidental damage to the cornea. In particular, the PM1 pachymeter’s non-contacting capability enhances COVID-19 safety.

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No consumables

No waste, No waiting

Removing the need to contact the eye, removes the need for anaesthetic eye drops, waiting and cleaning times. This reduces costs, waste, downtime, and the risk of damaging equipment through cleaning. The PM1 pachymeter was designed with sustainability in mind. A quick wipe to remove any dust from the lenses is all that is required.

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Wireless Charging

Ready when you need it

The Occuity PM1 wil pachymeter will always be ready thanks to the innovative wireless charging dock. Once placed back on the cradle, the battery will charge automatically. The cradle also contains a built-in reference artefact so the device can perform a basic self-test.

Occuity's non-contact, handheld, PM1 Pachymeter for measuring corneal thickness
Occuity's non-contact, handheld, PM1 Pachymeter for measuring corneal thickness
Cost Effective

Desktop Performance, Handheld Pricing

Enjoy the accurate measuring and non-contact capabilities of expensive optical desktop devices at a price point comparable to existing contacting ultrasound devices.

Precision Optical System

The patented optical technology within the Occuity PM1 pachymeter uses a tightly focused beam of light to scan the eye. When the focus passes through a surface a bright reflection is seen which allows the meter to know exactly where that surface is. The PM1 pachymeter collects the reflections from the front and back surfaces of the cornea, allowing a very precise measurement of corneal thickness.

 

With our expertise in optics and miniaturisation, Occuity’s proprietary technology ensures that in addition to being accurate, the PM1 pachymeter is also compact and very cost effective.

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Express Your Interest

The Occuity PM1 Ophthalmic Series Pachymeter is planned for launch in 2022. If you want to be kept up to date with the latest news and information regarding the Occuity PM1 Pachymeter, please enter your details below. You will gain access to our latest brochure and our sales team will also be on hand to answer any questions you may have.

 
 

FAQs

How does a pachymeter work?


The Occuity PM1 pachymeter uses an optical technique which means it is completely non -contacting, unlike existing invasive ultrasound pachymeters, which have to directly contact a patient's eye. The measurement principle is a called a confocal scan – a tightly focussed beam of invisible light is scanned through the cornea and the reflections are detected and analysed to determine the thickness of the cornea.




Who can operate the Occuity PM1 pachymeter?


As the PM1 is non-contacting and cannot hurt the patient, it can therefore be used by a wide range of operators both clinician and technicians. It is easy to use thanks to it’s intuitive interface and can be taught in mere minutes.




What price-range do you anticipate the device will be in?


We intend that the price will be competitive with the existing ultrasound meters but will have many significant advantages, such as the fact it is non-contacting, provides a better customer experience, uses no consumables and is safer and easier to operate.




What practice environments do you anticipate Occuity PM1 pachymeter will benefit the most?


Most practice environments would benefit from a pachymeter, primarily in order to better understand the patient’s risk of glaucoma. The Corneal Centre Thickness (CCT), can affect the validity and accuracy of the IOP (intra ocular pressure) measured by the tonometer. Knowing the CCT will allow clinicians to understand if their tonometer is actually under or over estimating the IOP. Many clinicians also make the mistake of not knowing what their tonometer assumes corneal thickness to be. Most non-contact tonometers assume a corneal thickness of 550 microns, whereas the Goldmann assumes a thickness of 520 microns.

If a practice is involved in Glaucoma shared care, for example, they should measure CCT and provide this with their reports, along with IOP and sometimes ‘corrected’ IOP.

Patients with thinner corneas are at a higher risk of glaucoma as well, so understanding the risk factors is important.

However, there are also other circumstances where CCT may be useful, such as detection of Fuch’s endothelial dystrophy in post cataract patients, detection or progression of KCC (Keratoconus) or other corneal ectasia’s and also assessing the stability of corneal grafts.’




It takes just a few seconds – is this for one reading or multiple? How many readings are required per eye?


The PM1 pachymeter, once alligned automatically captures over 200 scans each second, before immediately displaying the average of these measurements along with the standard deviation (precision) figure.





Does it measure IOP as well as corneal thickness?


No, although pachymetry is used in combination with IOP measurement in the diagnosis of glaucoma, our meter is a pure pachymeter. Our patented technology offers other uses and we are of course researching and developing these.




Does the PM1 require any consumables?


No. One of our technology’s main advantages is that, being non-contacting, no consumables are required and there are no ongoing costs. This also provides other advantages such as the fact that there is no need for drops to numb the eye and no need for post contact cleaning. Overall this means consultations are much quicker, which is advantageous for busy operators. The reduced need for cleaning, also means there is no risk of ‘probes’ being damaged, as can happen with the cleaning of contacting ultrasound pachymeters.




How do I purchase the pachymeter?


Occuity will be working with distributors in each country. Discussions are in progress in other regions and we will announce our partners once these are finalised, but please express your interest if a distributor has not yet been selected for your region.




How do I become a distributor?


If you are interested in becoming a distributor, please contact us.




Why does the pachymeter use optical technology?


Occuity uses an optical technology in which a tightly focused beam of light is scanned through the eye. When the focus impinges on a surface a bright reflection is seen which allows the meter to know exactly where that surface is.

In pachymetery we collect the reflections from the front and back surfaces of the cornea and this allows us to measure its precise thickness.

The use of light has a number of advantages. As the wavelength of light is much smaller than that of ultrasound the meter is capable of being significantly more accurate. Light can also be shone into the eye from a distance so the meter can be completely non-contacting. Occuity has also been able to use its expertise in optics to adapt a telecommunications component called a bi-di to act as the source and receiver in the meter and this allows us to make meters that are very compact and very cost effective.





Comparison

Occuity PM1 - Projected*

Technology

Ultrasound

Optical

Contact

Multiple Contact of Cornea

Non-Contact

Existing Handheld Pachymeters

Measurement Time

Full Measurement in seconds

Several Minutes

Risk

None

Risk of accidental corneal damage & infection transmission

Cleaning

No clinical cleaning required

Clinical cleaning required between every patient

Consumables

None

Anaesthetic drops, cleansing wipes, replacement probes

Operators

Clinicians & Technicians

Specialist Trained Clinician Only

Training

Minutes

Specialist Training Required

Display

TFT Touchscreen Design

Generally Basic LCD Screens

Usage Location

Clinic, Front Office, Mobile

Clinic

Come and see us 

We’re proud to be exhibiting at a number of upcoming tradeshows including MEDICA in Dusseldorf, Germany on 15-18 November and 100% Optical . We’ll be showcasing the PM1 and giving interested buyers and distributors the opportunity to get hands on with the pachymeter and talk to members of our team.