Contact | Support

Contact BiB on 01438 740823

FREE DELIVERY - On all UK Mainland online orders over £150

PRT-TEST – Phenol Red Thread Tear Tests

Web Price

£69.99

Please click on the button below, to request a price.

Add this item to your wishlist by clicking below

Interested in this item? Would you like more information? Looking to buy more than one item?
Call our Sales department on 01438 740823

Product Description

Phenol Red Thread Tear Test (PRT-TEST) is developed based on the Schirmer Tear Test. It is a special cotton thread impregnated with phenol red dye. Phenol red is pH sensitive and changes from yellow to red when wetted by tears. This test can indicate the function of the tear secretion easily with its stable colour and water-absorbing ability. The PRT-Test is sometimes also called the “Colour Bar Schirmer Tear Test” and may be useful tool to detect dry eyes.

The product is CE certified and the packing consists of 100 sterile threads per box (2 threads/transparent pouch and 50 pouches/box).

Please click on Audio/Video tab to watch our product demonstration.

For bulk orders in excess of 100 boxes please contact us for volume pricing information

  • PRT TEST Phenol Red Thread Test

Accessories and other items can also be purchased by phone if you prefer. To make a telephone order, or to discuss any item purchase please call 01438 740823.