Ophthalmology

Microscopic eye movements affect how we see contrast

It is often difficult for a driver to see a person walking on the side of the road at night—especially if the person is wearing dark colors. One of the factors causing this difficulty is a decrease in contrast, making it ...

Neuroscience

Learning to control brain activity improves visual sensitivity

Training human volunteers to control their own brain activity in precise areas of the brain can enhance fundamental aspects of their visual sensitivity, according to a new study. This non-invasive 'neurofeedback' approach ...

Psychology & Psychiatry

Why older people struggle to read fine print

(Medical Xpress)—Unique research into eye-movements of young and old people while reading discovers that word recognition patterns change as we grow older

Medical research

Engineering a photo-switch for nerve cells in the eye and brain

(Medical Xpress)—Chemists and vision scientists at the University of Illinois at Chicago have designed a light-sensitive molecule that can stimulate a neural response in cells of the retina and brain—a possible first ...

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