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Author: U. Lauz und H. W. Roth, H. Krey, B. Steinhardt
Journal: Albrecht v. Graefes Arch. klin. exp. Ophtal. 195, 33-40 (1975) [Article in German]
Abstract: 300 rabbit corneas were burned for – 1 minute by applying a filter paper of 10mm diameter soaked in different concentrations of NaOH. The aqueous humor pH was then measured at certain time intervals and after different treatment methods until the physiologic pH of 7.6 was reached. The results were statistically analyzed. Group 1, 2 and 3 were burned with 1N NaOH and 6N NaOH respectively without any treatment. In these groups, a “therapeutic” pH-level of 8.5 was measured on an average 0.5, 2.5 and 5 hours after the burn. Group 4 and 5 again were burned with 6N NaOH. In Group 4, the burn was followed by constant irrigation with physiologic saline by means of the Morgan Lens®. With this regimen, a pH of 8.5 was reached after 2.5 hours. In Group 5, the physiologic saline solution was replaced by a buffer solution (Isogutt®) and a pH of 8.5 was measured after only one hour. Based upon these results, it is felt that severe lye burns should be treated by constant irrigation with a buffer solution for several hours, a treatment that can easily be performed by use of the Morgan Lens.
While beginning to wear contact lenses, I had an experience which the use of the Morgan Lens saved the day.
I was just finishing a sixteen-hour shift as manager and staff nurse of the ED when I was notified that they had received a bomb threat. Disaster situation were part of my duties, so I went into action. By 4:00 AM, I realized I still had my contacts in. So I got a container and soaked them in an eye solution from our eye tray. I arrived home with enough time to take a quick nap before returning to work for another sixteen-hour shift. When I put my contacts in, I felt like someone had placed a hot poker into my eyes. I took the contacts out, but my eyes continued to burn and were also fire engine red. I did report to work at 7:00 AM but my eyes continued to burn. I then decided the best thing I could do was to irrigate, so I placed a Morgan lens into both eyes and irrigated with 1000 cc of lactated Ringer's. Laying down during the irrigation process was relaxing and I felt no discomfort while my eyes were irrigated. After the process, the burning was relieved and I was able to complete my shift without further discomfort.Registered Nurse (South Carolina)
The Morgan Lens is used in 90% of hospital emergency departments in the USA and can be inserted in less than 20 seconds. There simply is no other "hands-free" method of eye irrigation. Nothing else frees medical personnel to treat other injuries or to transport the patient while irrigation is underway. Nothing is more effective at treating ocular chemical, thermal, and actinic burns or removing non-embedded foreign bodies, even when the patient's eyes are closed tightly. Its design makes it simple and straightforward to use so minimal training is required.