Presbyopia, fresbyopia—who cares! Look up Donders' table, if you have not already memorized it, and give them reading glasses. "It's old age creeping up on you, Mr Jones. Welcome to the club! Here's your prescription. There's nothing else we can do about it."
Well, maybe there isn't. But how can we know that when some textbooks still attribute presbyopia to some unknown entity of "lenticular sclerosis" and the word "presbyopia" is conspicuous in subject indexes of research journals only by its absence? This issue of the Archives represents a rare exception, containing a highly relevant article by Lutjen-Drecoll and colleagues1 on aging changes in ciliary muscle structure and responsiveness.
See also p 1591.
Before we address the implications of this contribution, we must briefly consider some assumptions that may account for the remarkable lack of research on the seemingly unique vulnerability of our accommodative mechanism to aging. The reader
Bito LZ. Presbyopia. Arch Ophthalmol. 1988;106(11):1526–1527. doi:10.1001/archopht.1988.01060140694036
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