Cataract Surgery summarize written text 47
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|Scientists believe they may have found a way to prevent complications that can arise following cataract surgery, the world’s leading cause of blindness.
Detailing why complications can occur after surgery, researches from the University of East Anglia (UEA) explained that while cataract surgery works well to restore vision, a few natural lens cells always remain after the procedure. Over time, the eye’s wound healing response leads these cells to spread across the underside of the artificial lens, which interferes with vision, causing what’s known as ‘posterior capsule specification’ or secondary cataract.
UEA’s School of Biological Sciences academic, Dr. Michael Wormstone, who led the study, said: “Secondary visual loss responds well to treatment with laser surgery. But as life expectancy increases, the problem of cataract and posterior capsule opacification will become even greater in terms of both patient well being and economic burden. It’s essential that we find better ways to manage the condition in future.”
As a result, researchers are designing new artificial lenses that can be places into a capsular bag that stays open, instead of shrink wrapping closed, which currently occurs. It is believed that, through the new approach, fluid in the eye can flow around the artificial lens, therefore diluting and washing away the cell signalling molecules that encourage cell regrowth.
Complication associated with cataract surgery is the leading cause of blindness as the current method always leave a few natural lens cells behind that eventually grow to the underside of the artificial lens during healing which interferes with vision, therefore new design that allows open capsular bag to encourage cell re-growth is underway to better manage the condition.