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Aqueous Humor pH in Experimental Eye Burns and Influence of Different Treatment Measures

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.

I just spent three hours in the ER.  The trip to the ER was precipitated by my getting a mixture of bleach, Mr. Clean and water in my left eye while scrubbing the soffits of the siding on my house.  Whilst in the ER, I had my eye irrigated twice with a 0.9% solution of NaCl using the Morgan Lens to facilitate the irrigation.  THANK YOU for creating the Morgan Lens.  My eye felt so much better after the second round of irrigation, and it did take two rounds before the pH level in my eye returned to normal.  I know companies always hear about the things that go wrong with their equipment.  I want you to know that your equipment did something wonderful, and I want you to know how very much I appreciate it.

Patient - Platteville, WI

MorTan Inc.

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Why Use The Morgan Lens?

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.