Chris S. Johnson

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PURPOSE Biodendrimer-based hydrogel adhesives were derived from biocompatible building blocks and poly(ethylene glycol) of 3,400, 10,000 and 20,000 g/mole. The leaking pressures were determined for these adhesives when used to seal 4.1-mm central lacerations and penetrating keratoplasties (PKPs) in enucleated porcine eyes. METHODS Three biodendrimers,(More)
Difference spectroscopy is used to monitor bilirubin-protein interactions, to assess the residual binding capacity of proteins for bilirubin. A change in the difference spectra monitored at 482 nm is directly proportional to bound bilirubin up to a molar ratio of bilirubin to albumin of approximately 1; increasing bilirubin beyond the 1:1 molar ratio does(More)
PURPOSE To determine corneal elasticity and its contribution in damping acute intraocular pressure spikes. METHODS Twenty corneas with intact scleral rims were excised from human donor eyes and mounted on an artificial anterior chamber. A watertight seal was obtained with 17 corneas. Saline was infused into the chamber at a rate of 10 mL/h, and subsequent(More)
There was a lifeguard. Given the lives of hundreds of children, but too young to vote or drink, the lifeguard was searching for his/her identity, where it belonged in the world. His/her soul was held out like a decorated cake constructed from the basic elements of life. The lifeguard continues on a journey not knowing what it will encounter next. Symbols of(More)
PURPOSE To report a case of hypopyon uveitis associated with systemic lupus erythematosus and antiphospholipid antibody syndrome. METHODS Interventional case report: a 49-year-old woman with a history of systemic lupus erythematosus and antiphospholipid antibody syndrome presented with sudden onset of pain, redness, photophobia, and decreased vision in(More)
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