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March 10, 2009

Thousands Have Been Harmed by Lasik Eye Surgery

Filed under: MaoBah Topics

Patients harmed by Lasik eye surgery recently told federal health advisers stories of severe eye pain, blurred vision and even a son‘s suicide. The advisers recommended that the government warn more clearly about the risks of the popular operations.

About 700,000 Americans a year undergo the elective laser surgery. Of those, several thousand suffer serious, life-changing side effects, such as worse vision, severe dry eye, glare, and inability to drive at night.

Colin Dorrian, a law school student from suburban Philadelphia, endured six years of eye pain and impaired vision before he finally killed himself in 2007.  Matt Kotsovolos’ operation was classified as successful even though he has suffered from debilitating and unremitting eye pain for two years.

The FDA advisers recommended that warnings for would-be Lasik patients:

  • Add photographs that illustrate what people suffering certain side effects actually see
  • Clarify how often patients suffer different side effects
  •  Make more understandable the conditions that should disqualify someone from Lasik
  • Spell out that anyone whose nearsightedness is fixed by Lasik is guaranteed to need reading glasses in middle age, which could be avoided if they skip Lasik.

How Sunlight Can Improve Your Mental Health

Filed under: Health

The association between darkness and depression is well known. Now a new study reveals the profound changes that light deprivation causes in your brain.

Neuroscientists kept rats in the dark for six weeks. The animals not only exhibited depressive behavior but also suffered damage in brain regions known to be underactive in humans during depression.

Further, neurons that produce norepinephrine, dopamine and serotonin, which are common neurotransmitters involved in emotion, pleasure and cognition, were observed in the process of dying. This neuronal death may be the mechanism underlying the darkness-related blues of seasonal affective disorder.

The dark-induced effects may stem from a disruption of the body’s clock. When an organism’s circadian system is not receiving normal light, that in turn might lead to changes in brain systems that regulate mood, the lead researcher said.






















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