نتایج جستجو برای: accommodative intraocular lens
تعداد نتایج: 65505 فیلتر نتایج به سال:
This case report describes a case of Alagille syndrome with developing intraocular lens subluxation and rhegmatogenous retinal detachment 4 years after cataract surgery. A 15-year-old female patient with Alagille syndrome-associated cataracts in both eyes underwent phacoemulsification aspiration and intraocular lens implantation. Four years postoperative, intraocular lens subluxation developed ...
PURPOSE To assess changes in the nearwork-induced transient myopia parameters of initial magnitude and its decay duration, as well as accuracy of the near accommodative steady-state response and clinically based accommodative facility, after 6 weeks of home-based accommodative training in asymptomatic myopes. METHODS Ten young adult, progressing myopes participated in the study. The experimen...
Objectives This study was designed to analyse the outcomes of secondary multifocal intraocular lens implantation in eyes with white cataracts. Methods White cataract patients undergoing secondary multifocal intraocular lens implantation between June 2014 and January 2015 were evaluated prospectively. As opposed to a conventional primary intraocular lens implantation for an optimal patient, th...
PURPOSE Peripheral defocus, higher-order aberrations, and accommodation interact with pupil size to influence retinal image quality and possibly eye growth. Iridectomy (ID) provides a fixed, enlarged pupil. Results from in vitro studies suggest that ID may reduce or eliminate accommodation in the chicken. This paper further investigates the effects of ID on chicken accommodation, eye growth, an...
I mprovements in techniques, instrumentation, and intraocular lens design appear to have been associated with declining rates of posterior capsule opacification following cataract surgery. While morbidity associated with posterior capsule opacification and its treatment, Nd:YAG laser capsulotomy, is limited, progressive opacification affects quality of vision and visual function, while capsulot...
AIM To evaluate optimal standard intraocular lens power for Nepalese eye camp cataract patients. METHOD A retrospective case series of 5109 preoperative cataract patients. RESULTS Average axial length of 23.08 (SD 1.26). Average dioptre intraocular lens power 21.37 (3.04). CONCLUSION An increase in the intraocular lens power used at Nepalese eye camps from +21.0 to 22.5 dioptres would imp...
Methods: In this comparative, nonrandomized interventional study, we analyzed 15 eyes of 15 patients (aged 44-84 years) at 6 months after cataract surgery and PCIOL implantation (Akkommodative 1CU; HumanOptics AG, Erlangen,Germany)andcompared these resultswith those of an age-matched control group (n=15). We used the following methods to measure accommodation: dynamic measurement with objective...
Monocular Estimate Method Retinoscopy was used twice to measure the accommodative posture of 211 pre-presbyopic subjects. It was first measured with their farpoint lenses in place, and second, with the farpoint lenses and nearpoint plus lens additions (PLA) in place. The PLAs utilized for the second MEM were based on the binocular cross cylinder findings. The findings from the MEM-twice procedu...
PURPOSE This study was performed to elucidate the correlation between added lens refill material and enhanced lens power as well as the correlation between lens refilling volume and accommodative amplitude as determined by equatorial stretching of ex vivo refilled pigs' lenses. METHODS Nine porcine lenses were refilled with increasing amounts of silicone oil. After each refill step, the lens ...
PURPOSE To compare the clinical outcome of AT-45 implantation between high myopic eyes and non-high myopic eyes. METHODS Retrospective, non-randomized, comparative trial. The medical charts of 28 patients with 35 eyes who had phacoemulsification and AT-45 implantation were retrospectively reviewed. 13 eyes of 10 patients were included in the high myopic group (axial length > or = 26.0 mm) and...
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