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Why people with age-related macular degeneration have difficulty recognizing faces
Why people with age-related macular degeneration have difficulty recognizing faces

(February 11, 2013 - Insidermedicine)

From New York - A new report published in Optometry and Visual Science identifies an alternative reason as to why AMD patients have difficult perceiving and recognizing faces. Researchers used optical coherence tomography/scanning laser ophthalmoscopy to study the eye movements in 9 AMD patients and a group of controls with normal vision. Participants were shown a picture of the Mona Lisa and the OCT-SLO examined the microscopic movements of their eyes as they studied the face. Results showed that AMD patients fixated much less on the face's internal features--such as the eyes, nose and mouth--and more on the external features. The controls also made fewer and much shorter eye movements (saccades) than those with AMD.

 
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