title: Prandial presbyopia.
abstract: Loss of accommodation amplitude during eating (prandial presbyopia) is a rare phenomenon that has been reported in only 1 patient who had had head trauma. We report 2 patients who had not had head trauma and whose accommodative amplitudes, measured by dynamic retinoscopy, became markedly diminished within 1 minute of starting a meal and did not recover for 55-60 minutes. Apart from this abnormality, there appeared to be no autonomic or other neurologic dysfunction. The cause of this isolated disturbance in these patients is a mystery.
authors.affiliation: Moorfields Eye Hospital, London, United Kingdom. abarsam@hotmail.com
authors.forename: Allon
authors.initials: A
authors.lastname: Barsam
authors.forename: Devinder S
authors.initials: DS
authors.lastname: Chauhan
authors.forename: Stacey A
authors.initials: SA
authors.lastname: Strong
authors.forename: Gordon T
authors.initials: GT
authors.lastname: Plant
mesh_terms: D000328:Adult; D006259:Craniocerebral Trauma / Q000150:complications; D004435:Eating; D006801:Humans; D008297:Male; D011305:Presbyopia / Q000175:diagnosis* / Q000209:etiology