Ophthalmology

New insights into how the retina processes orientation

In a study published in Nature Communications, Northwestern Medicine scientists detail the discovery of two types of cells in the retina that determine horizontal or vertical orientation, and demonstrated for the first time ...

Alzheimer's disease & dementia

Retinal texture could provide early biomarker of Alzheimer's disease

Biomedical engineers at Duke University have devised a new imaging device capable of measuring both the thickness and texture of the various layers of the retina at the back of the eye. The advance could be used to detect ...

Ophthalmology

Lab-grown retinas explain why people see colors dogs can't

With human retinas grown in a petri dish, researchers discovered how an offshoot of vitamin A generates the specialized cells that enable people to see millions of colors, an ability that dogs, cats, and other mammals do ...

Health

Aging eyes linked to sleepless nights, new study shows

A natural yellowing of the eye lens that absorbs blue light has been linked to sleep disorders in a group of test volunteers, according to a study in the September 1 issue of the journal Sleep. As this type of lens discoloration ...

Parkinson's & Movement disorders

New hope for eyes damaged by Parkinson's disease

(Medical Xpress) -- Scientists have discovered a new avenue for the treatment of vision loss, one of the complications of Parkinson's disease.

Ophthalmology

Artificial intelligence recognizes deteriorating photoreceptors

Software based on artificial intelligence (AI), which was developed by researchers at the Eye Clinic of the University Hospital Bonn, Stanford University and University of Utah, enables the precise assessment of the progression ...

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