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New Imaging Tool Can Spot Glaucoma Risk
Date:6/9/2008

e normal, free flow of fluid in the eyes," said Iwach. This can change the relative position of the iris (the colored portion of the eye) and affect the angle of the eye, meaning the distance between the cornea and the iris.

"The problem with narrow-angle glaucoma is that it's sometimes difficult to diagnose," said Dr. Robert Cykiert, an associate professor of ophthalmology at New York University Langone Medical Center in New York City. "You have to apply a special lens to diagnose narrow-angle glaucoma, [but] when we apply this lens, we're changing the anatomy of the eye. Sometimes we change the appearance of the angle. You can't be sure of the diagnosis because part of the examination is actually changing what you're looking at."

Currently, doctors use lasers to cut an opening in the iris to reduce the risk for a sudden attack.

FDOCT, by contrast "shines a light in a special infrared frequency onto the eye," Cykiert explained. "That's connected to a computer which does a very highly sophisticated analysis of how the light penetrates the eye."

"It's an imaging device that allows us to image the eye without cutting," Iwach added. "The nice thing is it doesn't touch the eye."

Beyond that, the technology will enable physicians to standardize or quantify changes in the eye and also visualize other structures in the eye that may have problems.

More information

To learn how to take better care of your eyes, visit the American Academy of Ophthalmology.



SOURCES: Sanjay Asrani, M.D., associate professor, ophthalmology, Duke Eye Center, Durham, N.C.; Robert Cykiert, M.D., associate professor, ophthalmology, New York University Langone Medical Center, New York City; Andrew Iwach, M.D., spokesman, American Academy of Ophthalmology, and executive director, Glaucoma Center of San Francisco; June 2008 Arch
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