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Peter J. McDonnell, MD
He is director of The Wilmer Eye Institute, The Johns Hopkins University School of Medicine, Baltimore, and chief medical editor of Ophthalmology Times.
A cloudy view of the future
Some days I just can’t help feeling great about the future, especially the future of medicine. And then on other days, like today, I watch videos and read stories on the Internet of people being gunned down in the streets of giant “world-class” cities like Kiev, Caracas, Bangkok, and Aleppo by their fellow citizens.
‘Best’ ways to die?
A recent article in The New York Times1 suggests that physicians—because we understand the implications of a serious illness diagnosis and the implications of treatment and the associated morbidity—die “better” than do non-physicians.
A contrarian view of employee turnover
Is it practical for medical practices to retain only stellar employees and pay them well above other practices, while letting one-fourth to one-fifth of their workforce go every year, to be replaced by new workers who will hopefully prove to be stellar? Would it be consistent with the culture of medical practices to reproduce the Netflix system of “high performance”?
All the more reason to smile
Matthew Hertenstein is a psychologist at DePauw University, Greencastle, IN, who has studied the photographs of children and high school students and then determined what happened to them later in their lives. It turns out that people who smile more warmly in their photos when they are young will allegedly live longer and happier lives.
The skinny on obesity
A pictorial about eating ourselves to death in America
Living in a bacterial world
In my own personal experience, there have always been infections that are difficult to treat (e.g., acanthamoeba or fungal keratitis), but that was no less the case 20 years ago than it is today. Bacterial infections are not (in my humble opinion) particularly more a concern today than they were a decade or two ago.
In the fast lane
Critical flicker-fusion frequency (CFF), as every ophthalmologist knows, is the lowest frequency at which a flickering light source is perceived to be constant (not flickering). Humans average a CFF of 60 Hz, but other animals measure with very different capabilities.
Match made in medicine
In Germany, ophthalmology struggles to attract strong applicants
A cutting-edge focus
Understanding these challenges, Ophthalmology Times is retooling its editorial direction, transitioning from a clinical newsmagazine to a resource that will explore the innovative concepts, insights, and discoveries in ophthalmology.

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