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Modified ERG-Jet™ contact lens electrodes for use in infants and toddlers-update.

A new interesting article has been published in Doc Ophthalmol. 2018 Dec;137(3):203-205. doi: 10.1007/s10633-018-9662-x. Epub 2018 Nov 11. and titled:

Modified ERG-Jet™ contact lens electrodes for use in infants and toddlers-update.

Authors of this article are:

Brodie SE.

A summary of the article is shown below:

PURPOSE: To describe recent changes in the dimensions of the ERG-jet contact lens electrode, and to suggest corresponding changes in the dimensions of cylindrical stents to facilitate the use of ERG-jet contact lens electrodes in infants and small children.METHODS: Upon the observation that existing cylindrical stents no longer fit newly purchased ERG-jet contact lenses, the spacings between the “bumps” on the front surface of old and new electrodes were measured with calipers, and prototype stents were newly machined from acrylic plastic.RESULTS: Cylindrical stents with an outside diameter of 0.277 inches (about 7.04 mm) were found to fit snugly between the front surface “bumps” of new ERG-jet contact lens electrodes.CONCLUSIONS: Recent modifications in the injection molds for ERG-jet contact lens electrodes have resulted in an increase in the space between the “bumps” on the front surface of the electrodes, necessitating a corresponding increase in the outside diameter of cylindrical stents intended to fit snugly between the “bumps” for ease of insertion and prevention of lid closure.

Check out the article’s website on Pubmed for more information:



This article is a good source of information and a good way to become familiar with topics such as:

Cylindrical stents;ERG;ERG electrodes;ERG-Jet™ contact lens electrodes

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