Quantitative Measure of Tear Volume
The I-TEAR® TEST is a quick and easy test to measure the volume of tears produced. The quantitative measurement provides important information on the efficacy of the patient’s lacrymal system as part of a complete KCS diagnosis protocol.
- Non-invasive
- Quick, 5 second test
- No anaesthetic required
1 box contains 50 test strips. (One sterile strip tests 2 eyes)
The I-TEAR® TEST should be used to measure quantitative Dry Eye Disease (also known as an aqueous deficiency). To measure a qualitative deficiency (also knows as evaporative Dry Eye Disease) the TBUT should be done.
Want to know more about the usage of this product?
Instruction for Use
1
Carefully open the transparent, sterile pouch at either end so as to not damage the device
2
Hold the I-TEAR® TEST strip in the center. Do not touch the tips of the device that contain the blue dye.
3
Note: Do not block the two holes in the middle of the strip, place your fingers between these
4
Apply the "R" marked tip of the I-TEAR® TEST to the Right eye's lateral lower lid tear meniscus without touching the cornea and conjuctiva.
5
Avoid touching the cornea, while making sure you have contact with the tear.
6
Measure the length of the stained tear column, marking with a pen. A reading of 8 and over is normal, anything under 8 is deficient.
7
Repeat the same procedure on the left eye using the "L" marked tip.