Handheld Device Helps Track Brain Development

Aug-26-18 A handheld device able to image photoreceptors in the eyes of infants could help track early brain development.

Neurodegenerative diseases and traumatic brain injuries can alter the neuronal structures in the retina, which can be detected by visualizing individual photoreceptor cells. However, this process (adaptive optics scanning laser ophthalmoscope—AOSLO) normally requires the patient to sit with a fixed gaze for several minutes—which can be difficult for some people.

To open the test to a broader range of patients, the team from Duke University created a handheld device (HAOSLO) that replaces the conventional large wavefront sensing system with a specialized algorithm. The smaller device is much easier to handle, and can deliver detailed images of the photoreceptors quickly and accurately, even in young children.

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