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Balakrishnan

   Web    HEALTH NEWS
Computer simulator significantly improves sight-impaired patients' vision

By ANI
Wednesday October 17, 06:07 PM
Washington, October 17 (ANI): Researchers from the University of Granada 
and the
University of Murcia have developed a pioneering device that significantly
improves the vision of sight-impaired patients.
The device called SERBA (in Spanish, Reconfigurable Electric-Optical System 
for
Low Vision) is especially beneficial for people suffering from pathologies 
with
a slow progression, which can lead eventually lead to blindness-viz. macular
degeneration and cataracts.
The researchers claim that their device is the first visual aid unit that is
very useful in all circumstances and for all tasks, independently of the 
degree
of impairment of the patient.
According to them, the main contribution of this project is the implementation
of a new optoelectronic platform (based on a reconfigurable devise known as
FPGA), which is easily reprogrammed so that it can be used in different
circumstances.
The researchers say that the device will help patients, among other things, to
improve their vision when driving.
SERBA is based on the design of a real-time video processing system, which is
able to store several image processing algorithms.
"Thanks to the use of a FPGA it is a very flexible device which can be adapted
to the user's needs and to the evolution of their disease," say the 
researchers.

Led by professors Fernando Vargas Martin and Eduardo Ros Vidal, the 
researchers
assessed the device by conducting trials on eight patients suffering from
Retinitis Pigmentosa (a visual impairment that reduces the field of 
vision), and
six others with different pathologies that generate a loss of sharpness of
vision.
The researchers say that the main advantage of SERBA is that it is easily
reconfigured, and that it also offers a "technological convergence", for it
includes light low-cost cameras, real time image processing and transparent
portable viewfinders.
The creation of this visual aid system has contributed to the creation of
bioptical telescopes, anamorphic systems, and inverted telescopes that magnify
the patient's visibility.
Several companies have evinced interest in commercialising SERBA because this
system is improving the sharpness of vision and contrast sensitivity, offering
an effective field of vision for very restricted visual fields, and 
facilitating
the subject's mobility,
A report on the findings of this research has been published in the journals
'Lecture Notes in Computer Science' and 'International Congress Series'. (ANI)


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