Thursday, March 1, 2012

Train the brain to keep your eyes healthy

Presbyopia regarded as one signs of aging that can not be avoided. The eye loses its elasticity and cause people feel difficult to read. Actually, although the age of eye is aging, there are ways to fight presbyopia by keep the brain to remain sharp.



Presbyopia affects nearly everyone over the age of 50 years of age. Researchers from the University of California Berkley and Tel-Aviv University found evidence that a simple exercise can help presbyopia patients improve their vision.

Researchers also examine a group of middle-aged people who have the disorder presbyopia. Researchers asked participants to do a workout three times a week for half an hour in three months. The participants practice with a software that trains participants to detect a pattern called a gabor patch, opaque lines that created from various gray background. 

In the training, participants should pay attention to the white circle and then move quickly. Sometimes there is a blank screen, but the display will show the other Gabor patches at different places on the screen. One screen will show the Gabor patch that came with a white circle. Participants must determine when the order pattern appears in the right position. When participants are better at doing its job, the software will increase the difficulty level by changing the orientation of the pattern, place the pattern closer to the target, or hasten the order. 

At the meeting of the Entertainment Software and Cognitive Neurotherapeutics Society in San Francisco, researchers explain that after undergoing 40 sessions of training, the participants showed an increase in sensitivity to distinguish the lines measured by tests similar to the Gabor patch. In other words, on average, participants experienced improved vision. The participants are able to read more than two lines located 40 cm in front of the eye. Reading speed increased by an average of about 4 seconds per sentence.

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