منابع مشابه
Prandial presbyopia.
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 abnorma...
متن کاملSurgical management of presbyopia
Presbyopia, the gradual loss of accommodation that becomes clinically significant during the fifth decade of life, is a physiologic inevitability. Different technologies are being pursued to achieve surgical correction of this disability; however, a number of limitations have prevented widespread acceptance of surgical presbyopia correction, such as optical and visual distortion, induced cornea...
متن کاملGender differences in presbyopia
is the loss of lens accommodation with age that results in an inability to focus at near distances. It is receiving growing attention because of the recognition that good near vision is needed to accomplish a broad range of tasks, not only reading and writing. Research shows that there are differences between men and women in the prevalence, age of onset, and severity of presbyopia, 1 in the ty...
متن کاملAccommodation and presbyopia.
Accommodation is a dioptric change in power of the eye that occurs to allow near objects to be focused on the retina. The ability to accommodate is lost with increasing age in humans and monkeys. This phenomenon, called presbyopia, is the most common human ocular affliction, and its pathophysiology remains uncertain. The progressive loss of human accommodative amplitude begins early in life and...
متن کاملMono vision LASIK for Presbyopia
Materials and methods: Prospective analysis of 34 eyes of 17 patients over 40 years of age treated with Allegreto wavefront LASIK system. The study was conducted at MEDEA LASIK Centre, Little Flower hospital, Angamaly. Average patient age was 53.3 years. Pre operative refraction ranged from – 5.75 to + 2.25 diopters(D). Non dominant eyes underwent Presbyopic LASIKan aspheric pupil size dependan...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 1962
ISSN: 0007-1161
DOI: 10.1136/bjo.46.11.660