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The formation of Elschnig pearls is a highly dynamic process and is detectable even over very short time intervals. Elschnig pearls can appear or disappear within one day, according to Oliver Findl, MD, from the Medical University of Vienna, Austria.

Surgery vs conservative management of strabismus

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In a night-driving simulation, fog and glare separately reduced sign recognition distances but when combined paradoxically increased performance relative to either factor alone. However, fog and glare reduced object recognition both separately and when paired, said Bruce A. Drum, PhD, Division of Ophthalmic and ENT Devices, FDA, Rockville, MD.