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Thursday 18 April 2013
Scientists Implant Telescope to Treat Macular Degeneration
Virginia researchers have successfully used a new tool on a patient with a vision-stealing disorder. They implanted a telescope in the eye to treat macular degeneration.
According to ScienceDaily, doctors at the Virginia Commonwealth University (VCU) Medical Center used a telescope implant to provide central vision to a patient suffering from end-stage age-related macular degeneration (AMD).
The National Eye Institute says AMD is the leading cause of vision loss among older adults. There are two types: dry and wet macular degeneration. The dry form sometimes progresses into the more serious wet AMD.
Most AMD develops slowly and destroys the macula in the center of the eye. While patients don't lose all their sight, many eventually experience a significant loss of central vision in one or both eyes. Over time, it becomes harder to drive, write, do most close work, or read.
AMD.org estimates that as many as 15 million Americans have AMD. Around 200,000 patients receive an AMD diagnosis each year.
A majority have dry macular degeneration, the far more common form. It has three stages -- early, intermediate, and advanced -- and occurs when cells in the macula sensitive to light start breaking down. Patients can eventually experience blurring or a "blob" in their central vision.
Experts consider the wet form advanced AMD. It develops when blood vessels under the macula leak blood and fluid. Damage can quickly occur.
The surgeon who implanted the telescope was William H. Benson, M.D. A cornea specialist, he also chairs the Department of Ophthalmology at the VCU School of Medicine.
The implant is smaller than a pea. It utilizes micro-optical technology to enlarge objects that a sufferer with advanced AMD could not see. The device projects images onto a healthy part of the retina. The patient is able to see them as if they appeared in the central vision field.
Like many people with AMD, I didn't know I had any symptoms when I received my diagnosis. Two doctors had noted that I had the dry form in medical records, but had never told me. Only when I saw one of them two years later for another problem was AMD mentioned.
There is no medication to reverse the effects of dry AMD. However, I quickly started on a supplement recommended by my ophthalmologist to help slow any loss of vision. Five years later, I have an exam every six months to detect changes in the macula in both eyes.
Hopefully, I will never reach the most advanced stage of AMD. If I had this condition in only one eye, it would be easier to imagine surgery for an implant if it were affordable. Perhaps I'm a bit squeamish or haven't lost enough vision, but the idea of implanting a telescope to treat macular degeneration feels uncomfortably unnatural.
Vonda J. Sines has published thousands of print and online health and medical articles. She specializes in diseases and other conditions that affect the quality of life.
Source: http://news.yahoo.com/scientists-implant-telescope-treat-macular-degeneration-161000406.html
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Wednesday 17 April 2013
Verizon Galaxy S4 officially confirmed via Samsung website
No Verizon logo on the home button, so you can cross that off your list of things to worry about
Up until a couple of days ago, we've only had leaks to confirm the existence of Verizon's version of the Samsung Galaxy S4. Today, Samsung has made two new pages live on its official website -- one for the black Verizon model, and one for the white.
Carrier branding looks to be more conservative than with the Galaxy Note 2 -- no home button branding in sight. Other than the Verizon logo on back, this version seems to be identical to the other carrier variants. The same specs and hardware features are shared with the entire U.S. Galaxys S family this time around.
For the official specifications list, as well as pictures from all angles of both the black and white models, check out the Samsung links at the bottom. If the previous availability leak pans out, we can expect Verizon to start selling their Galaxy S4 on May 30.
Sources: Samsung 1, Samsung 2; via Droid Life
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Source: http://feedproxy.google.com/~r/androidcentral/~3/ZwKi2zohQ_Q/story01.htm
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Monday 1 April 2013
Arizona Man, 86, Gets Probation in Mercy Killing; Caregiving ? AARP
PHOENIX (AP) ? There was no doubt 86-year-old George Sanders killed his ailing wife. Yet everyone in the small Arizona courtroom ? the prosecutor, the judge and even the couple?s family members ? agreed it was a time for compassion, not punishment.
?My grandfather lived to love my grandmother, to serve and to make her feel as happy as he could every moment of their life,? Sanders? grandson, Grant, told the judge, describing the couple?s life together as ?a beautiful love story.?
?I truly believe that the pain had become too much for my grandmother to bear,? he said, while Sanders looked on during the sentencing hearing Friday and occasionally wiped his eyes with a tissue as relatives pleaded tearfully for mercy.
Sanders was arrested last fall after he says his wife, Virginia, 81, begged him to kill her. He was initially charged with first-degree murder, but pleaded guilty to manslaughter in a deal with prosecutors. Still, he faced a sentence of up to 12 years.
His wife, whose family called her Ginger, was diagnosed with multiple sclerosis in 1969, and was forced into a wheelchair soon after. She and Sanders, a World War II veteran, moved from Washington state in the 1970s for Arizona?s warm, dry climate.
George Sanders became her sole caregiver. He cooked for her, cleaned the house, did laundry, put on her makeup and would take her to the beauty salon where he?d hold her hands up so she could get her nails done.
Eventually, though, his own health deteriorated. He had a pacemaker put in, and Virginia was diagnosed with gangrene on her foot. She was set to be admitted to a hospital, then likely a nursing home where she would spend the remainder of her life.
?It was just the last straw,? Sanders told a detective during his interrogation shortly after the shooting at the couple?s home in a retirement community outside Phoenix. ?She didn?t want to go to that hospital ? start cutting her toes off.?
He said his wife begged him to kill her. ?I said, ?I can?t do it honey,?? he told the detective. ?She says, ?Yes you can.??
Sanders then got his revolver and wrapped a towel around it so the bullet wouldn?t go into the kitchen. ?She says, ?Is this going to hurt?? and I said, ?You won?t feel a thing,?? he said.
?She was saying, ?Do it. Do it. Do it.? And I just let it go,? Sanders added.
In court Friday, as Sanders awaited his fate, his son told the judge the family never wanted him to be prosecuted.
?I want the court to know that I loved my mother dearly,? Steve Sanders said. ?But I would also like the court to know that I equally love my father.?
Breaking down at times in tears, he explained how his parent?s spent 62 years together, and his father took care of his mother day in and day out.
?I fully believe that the doctor?s visits, the appointments, the medical phone calls and the awaiting hospital bed led to the decision that my parents made together,? he said. ?I do not fault my father.
?A lot of people have hero figures in their life, LeBron James ? some world class figures ? but I have to tell you my lifelong hero is my dad,? he told the judge, sobbing.
George Sanders, wearing khakis and a white sport coat, spoke for only a minute about his deep love for his wife.
?Your honor, I met Ginger when she was 15 years old and I?ve loved her since she was 15 years old. I loved her when she was 81 years old,? he said, trembling.
?It was a blessing, and I was happy to take care of her,? Sanders continued. ?I am sorry for all the grief and pain and sorrow I?ve caused people.?
Prosecutor Blaine Gadow also asked the judge not to sentence Sanders to prison, instead recommending probation. ?The family very much loved their mother,? Gadow said, noting the ?very unique, difficult circumstances of this case.?
?I don?t know where our society is going to go with cases like this, judge,? he added. ?At this point in time, what Mr. Sanders did was a crime.? However, he said, ?No one in the courtroom has forgotten the victim in this case.?
As family members took their seats and Sanders stood trembling at the podium in the courtroom, Judge John Ditsworth spoke softly, staring at the defendant from just a few feet away then sentenced him to two years of unsupervised probation.
Ditsworth said his decision ?tempers justice with mercy.?
?It is very clear that he will never forget that his actions ended the life of his wife,? Ditsworth said.
?
Copyright 2013 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
Source: http://blog.aarp.org/2013/03/30/arizona-man-86-gets-probation-in-mercy-killing/
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