The retinal cell that may cause myopia discovered at Northwe
Northwestern Medicine scientists have discovered a cell in the retina that may cause myopia when it dysfunctions. The dysfunction may be linked to the amount of time a child spends indoors and away from natural light.

"This discovery could lead to a new therapeutic target to control myopia," said Greg Schwartz, lead investigator and assistant professor of ophthalmology at Northwestern University Feinberg School of Medicine.More than a billion people in the world have myopia, whose incidence is rising and is linked to how much time people spend indoors as children.

The newly discovered retinal cell -- which is highly sensitive to light -- controls how the eye grows and develops. If the cell instructs the eye to grow too long, images fail to be focused on the retina, causing nearsighted vision and a lifetime of corrective glasses or contact lenses."The eye needs to stop growing at precisely the right time during childhood," Schwartz said.It has long been long known the retina contains a signal to focus the image in the eye, and this signal is important for properly regulating eye growth during childhood.

Read more at : http://www.news-medical.net/news/20170206/Northwestern-Medicine-scientists-discover-retinal-cell-that-may-cause-myopia.aspx
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