Ophthalmology
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Comparative Study
Endothelial keratoplasty: the relationship between donor tissue size and donor endothelial survival.
To determine if donor graft diameter has a relationship with postoperative central endothelial cell density (ECD) and survival in Descemet's stripping automated endothelial keratoplasty (DSAEK). ⋯ Proprietary or commercial disclosure may be found after the references.
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To describe the history, clinical findings, and possible etiologies of ophthalmic findings discovered in 7 astronauts after long-duration space flight, and document vision changes in approximately 300 additional astronauts. ⋯ The authors have no proprietary or commercial interest in any of the materials discussed in this article.