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Application Note: Modification of Force Test Stand for Glaucoma Research

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Application Note: Modification of Force Test Stand for Glaucoma Research 1

J.A. King is Now Cross Precision Measurement!

Same team, same expertise. This case study was performed by our precision measurement team before becoming Cross Precision Measurement. Learn more about our history.

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Dr. Daniel Moore is an Assistant Professor in the Ophthalmology and Visual Sciences Department at a major research university.  He specializes in glaucoma, an eye disease which is due to several different factors.  The only cause of the disease that is treatable is eye pressure and according to Moore, if you can lower the pressure in the eye, you can stop the progress of the disease.

“The vast majority of patients, if they take and can tolerate their eye drops, they’ll do okay.  However, studies show that compliance with therapy is 70%, at best,” said Moore.

There has been a lot of focus on the side effects and other reasons why people may not comply with their treatment regime, but no one had focused on the bottles themselves.  Anecdotally, lots of patients complain about the drops being hard to dispense.  “It’s one big barrier that we haven’t evaluated before but it’s one that clearly patients are complaining about,” said Moore.  Glaucoma also tends to be a disease which affects older people, who may not have as much strength in their fingers as younger patients.

To measure the force required to dispense the drops, Moore contacted multiple vendors and a manufacturer and was eventually was put in touch with J.A. King.  Said Kevin Hatch, J.A. King’s Director of Engineering, “He was obviously very passionate about doing the study.  I had the feeling that no one else was listening to his needs, especially in terms of the different bottles.”

Force Test Stand

Force test stand for measuring glaucoma medications

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J.A. King Case Study: Glaucoma Research Study

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Did you know… Cross Company is an ESOP (Employee Stock Ownership Plan). Our ESOP started in 1979 and as of 2006, we are 100% employee-owned! Learn more about our ESOP and how that benefits both team members and our customers.
Did you know... the precision measurement group at Cross was founded in 1939 by our current CEO's grandfather, Jim King. That's a whole lot of calibration!
Did you know... A fingerprint weighs about 50 micrograms. We know, we weighed it! The residue left from a finger can actually make a difference in weight results which is why we wear gloves when we calibrate weights. For reference, a sheet of paper is about 4.5 grams, that’s 4.5 million micrograms.
Did you know… Cross Company has grown significantly since our start in 1954. Over the years we've acquired 26 companies! Today, our five groups have expertise in everything from industrial automation to precision measurement, and industry knowledge going all the way back to 1939.