نتایج جستجو برای: higher order aberrations
تعداد نتایج: 1788074 فیلتر نتایج به سال:
This study compared the corneal and total higher order aberrations between the fellow eyes in monocular amblyopia. Nineteen amblyopic subjects (8 refractive and 11 strabismic) (mean age 30 ± 11 years) were recruited. A range of biometric and optical measurements were collected from the amblyopic and non-amblyopic eye including; axial length, corneal topography and total higher order aberrations...
PURPOSE To evaluate the correlation between refractive error and higher-order aberrations (HOAs) in patients with myopic astigmatism. METHODS HOAs were measured using the Zywave II aberrometer over a 6 mm pupil. Correlations between HOAs and myopia, astigmatism, and age were analyzed. RESULTS One hundred and twenty-six eyes of 63 subjects with mean age of 26.4±5.9 years were studied. Mean s...
Knowledge of the effect accommodation on image quality peripheral retina is crucial for better understanding visual system, but only a few studies have been carried out in this area. This study was designed to evaluate higher order aberrations from third sixth Zernike polynomials central and up 23° off-axis. We used Hartmann–Shack aberrometer measure coefficients with both accommodated non-acco...
PURPOSE To measure and quantify higher-order aberrations induced by different types of lenticular opacities. SETTING Department of Ophthalmology, University of Auckland, and Department of Ophthalmology, Auckland Public Hospital, Auckland, New Zealand. METHODS Patients with lenticular opacities were recruited from outpatient clinics of a major tertiary referral center for ophthalmology. Pati...
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