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Noninvasive tear break-up available on topographer

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ATLANTA – Oculus announced the addition of a noninvasive tear film break-up test to its topography unit here at SECO 2011.

The TF Scan software on the Keratograph 4 “takes a movie of the placido rings on the cornea, and you can watch as they become deformed,” Oculus Chief Operating Officer Joel Nava told PRIMARY CARE OPTOMETRY NEWS. “The color map shows where it’s breaking up first.

“The topographer can also take images of the tear meniscus and manually measure it,” he added. The pupillometry software is also relatively new to the Keratograph 4, Mr. Nava said.

A doctor in Memphis is using the pupillometer in a study to determine how quickly athletes can return to play after an injury.

“The pupils don’t react as quickly after a head injury,” Mr. Nava said.

The researcher is taking baseline measurements on members of a high school football team, and if a player gets injured he will be measured again,” Mr. Nava said.