WMIDO - Milano Eyewear Show - February 4-5-6 - 2023

Discovery of a Lubricant That Protects Eye from Damage

June 7 2013
New findings hold promise for dry eye disease and other disorders Innovative research conducted by the University of Calgary and Harvard Medical School has proven that the body's natural lubricant, lubricin, is produced in many more locations than just our knees and ankles. These findings could have profound implications for many people, including those who suffer from dry eye disease, complications from refractive surgery and those can't tolerate extended contact lens wear.   In a paper published in the April edition of JAMA Ophthalmology, David Sullivan, PhD, of Massachusetts Eye and Ear/Schepens Eye Institute in Boston, and Tannin Schmidt, PhD, at the University of Calgary, demonstrated that ocular surface cells express lubricin, which prevents friction between the cornea and conjunctiva, reducing shear stress (such as during eye blinking) to prevent eye injury at the ocular surface. Furthermore, they demonstrated that lubricin deficiency in the eye contributes to corneal damage.   Using sophisticated techniques the researchers also found the presence of lubricin mRNA (the genetic message material necessary to create lubricin) in a number of exocrine and reproductive tissues (cervical/vaginal & uterine), suggesting that lubricin could play a similar role throughout the body.   "These novel findings hold promise, not only for treatment of conditions such as dry eye disease or complications from contact lens wear and refractive surgery," said lead author Dr. Sullivan. "They are also encouraging for people diagnosed with auto-immune conditions, such as Sjögren's or Stevens-Johnson Syndrome, which can cause similar symptoms to develop in the eye."   "I am excited to see where this discovery leads us in terms of potential new therapies as well as novel contact lens materials that help improve biocompatibility and extend the length of time you can wear your lens," said Dr. Schmidt, who is jointly appointed in Kinesiology and Biomedical Engineering.   SOURCE : www.ucalgary.ca  

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