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Dry eye, loss of sensation more common with certain Lasik techniques

Loss of corneal sensation and presence of dry eye signs and symptoms are greater in eyes that have undergone LASIK with a superior-hinged flap ? attached at the top of the cornea ? than in eyes that have received LASIK with a nasal-hinged flap ? attached on the side closest to the nose. This is the conclusion of a study appearing in the May issue of Ophthalmology, the clinical journal of the American Academy of Ophthalmology, the Eye M.D. Association.

NASA Administrator Sean O'Keefe's Statement

As my press officer indicated earlier, we will make a statement now and a little later this afternoon, about 3 o’clock eastern time, there will be a full technical briefing conducted from the Johnson Space Center. So at this point, we?re just going to give you the circumstances, as we understand them, leading up to this particular tragedy today. We will not take questions from the media.