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A new, noninvasive optical imaging system promises to improve diagnosis and treatment for dry eye disease. Called the Tear Film Imager, the device has the ability to perform spectral measurements across a large field of view in a few seconds and can acquire fast and consistent measurements from a blinking human eye.
The Tear Film Imager uses an eye-safe halogen light to illuminate the eye and then analyzes the full spectrum of light reflection over time and space. These spectral measurements are used to reconstruct the structures found in the front of the eye, allowing accurate measurement of the tear film inner layers, especially the aqueous sublayer, which plays an important role in dry eye but has been difficult to analyze with…READ MORE