To evaluate the tear film break-up time in a non invasive and fully automated way. In the BUT test needs the instillation of fluorescein in the tears, and this may stimulate reflex tearing and change tear film properties.
To overcome these potential inconvenients a non-invasive procedure may be used.
For this reason, in the dog and the cat third eyelid movements NIBUT exam is very useful because the doctor doesn’t touch the animal eyes.
To evaluate the lipid layer thickness, ICP PET can see and record the color and the structure of the lipid layer.
Its pattern depends on its thickness and movement, which correlates to tear film evaporation and dry eye clinical signs.
In dogs and cats the PTF thickness is about 8 μ on the cornea but it is much thicker at the meniscus, where in human being reaches up to 0,2 to 0,5 mm (200- 500 μ).
By examining the meniscus it is possible to evaluate the lacrimal gland aqueous production.
Corneal Placid Plate Warpage
To evaluate corneal distortion and tear film defects by the projection of Placido rings on ocular surface.
Dry eye analysis
ICP PET is an instrument available to veterinary ophthalmologists and practitioners to evaluate the composition and stability of the precorneal tear film (PTF).
It allows to better evaluate PTF qualitative deficiencies and make an accurate diagnosis of Dry Eye Disease (DED) due to imbalance of the three main PTF components:
Thanks to it is possible to identify the type of DED and determine which deficient layer is affected in order to select a specific treatment.
The device allows to quantify directly and indirectly each single layer
The white LEDs are used to display the phenomenon of interference fringes, allowing to evaluate the thickness of the lipid component of the tear and run the Break Up Time ( NIBUT) and Non Invasive Dehydration Up Time (NIDUT).
The blue LEDs (using fluorescein) allows you to observe the bulbar or corneal staining and run the Break Up Time (BUT).
By evaluating the tear meniscus, it is possible to directly perceive and measure the PTF aqueous component.
Interferometry, Tear Meniscus and NIBUT
Through a quick and easy acquisition of a series of 3 blinks, ICP PET allows to obtain the thickness of the single lipid layer of the tear film, classifying it in 3 to 5 different categories in a quick and precise way.
It is possible to refer to a grading scale for detailed classification and follow up.
With Tear Meniscus exam you can evaluate the quantity of acqueous layer in a non invasive way.
For a detailed analysis of the mucous layer, the device evaluates the non invasive break up time. By matching the two exams it’s possible to better evaluate the stability of the precorneal tear film.
The system is provided with a kit of useful accessories to perform various screenings. All filters are already present in the device.
• Blue, white Leds and Infrared (NIR),
• Three different grids to evaluate the NIBUT,
Immediate interpretation and follow up
By using dedicated GRADING SCALES, each exam can be classified in order to have many reports for all the patients.
Indeed, the exams results can be saved in PDF and also printed directly.
If needed, the software is able to give a graph that studies the trend over time, to understand the usefullness of treatment and similar.
White to white measurement
Evaluation of corneal diameter from limbus to limbus (white-to-white distance, WTW).