نتایج جستجو برای: lens capsul
تعداد نتایج: 50672 فیلتر نتایج به سال:
the purpose of present study was to examine the effects of caffeine and ephedrine supplement and their combination on maximal strength and mucular endurance in male bodybuilders. 12 male bodybuilders (mean age: 24.41±4.42 years, height: 174.83±3.61 cm and weight: 75.67±8.05 kg) were selected voluntarily. the study design was crossover, in which the subjects were placed in 7 different conditions...
در این رساله با استفاده از تبدیل نوری، منعکس کننده های تختی که خصوصیات مشابه منعکس کننده های سهموی و کسکانت مربع دارند مورد بررسی قرار گرفت. سپس عملکرد منعکس کننده های تخت با منعکس کننده های عادی متناظر مقایسه شد. در ادامه روش طراحی لنزهایی که خصوصیاتی مشابه منعکس کننده های عادی را دارند، ارائه شد. در این نوع لنزها سطح مقطع راداری نسبت به منعکس کننده های عادی به شدت کاهش می یابد. به علاوه ب...
purpose: in the present study we have tried to find the most reliable intraocular lens (iol) power calculation formula in patients with keratoconus (kcn) and cataract. methods: in a prospective case series between october 2010 and march 2012, eligible patients with cataract and kcn underwent phacoemulsification with iol implantation. preoperatively, based on iol master keratometric data iol pow...
purpose : to evaluate the efficacy, safety, predictability and stability of implantable collamer lens (icl) and toric icl for the treatment of high myopia and high myopic astigmatism methods : in this prospective nonrandomized clinical trial, 95 eyes of 51 patients who underwent icl (31 eyes) and toric icl (64 eyes) implantations were participate in eye research center, department of ophthalmo...
OBJECTIVE To evaluate the risk factors that may contribute to microbial keratitis in contact lens wearers. MATERIAL AND METHOD This prospective case-control study included 52 patients with contact lens related keratitis treated between 1 December 2006 and 15 October 2007 at the Faculty of Medicine, Siriraj Hospital. Controls were sixty-three contact lens users attending with disorders unrelat...
Contact lens compliance is proven to be crucial for preventing lens wear-related complications because of the interdependence of the steps in lens care regime and their influence on lens system microbial contamination. Awareness of the patients' lens handling compliance as well as correct recognition of non-compliant behaviours is the basis for creating more targeted strategies for patient educ...
purpose: to compare the optical properties of hydrophilic and hydrophobic intraocular lenses (iols) containing uv-absorber and to determine their chemical composition. methods: optical properties of different foldable hydrophilic and hydrophobic as well as non-foldable hydrophobic polymethylmetacrylate (pmma) iols were evaluated in three powers of 15, 22 and 25 diopters. optical properties were...
purpose : to evaluate intraocular pressure (iop) and anterior chamber depth (acd) change after phacoemulsification with posterior chamber intraocular lens implantation methods : in this quasi-experimental study, 84 patients with senile cataract were included. all patients had normal iop. patients with traumatic and complicated cataract, any history of uveitis, glaucoma, or other ocular disease ...
background: palliative whole brain radiotherapy (wbrt) has been the standard treatment for brain metastases. ionizing radiation is known to be one of the most potent cataractogenic agents. we aimed to evaluate two different radiotherapy techniques with respect to the doses received by the organs at risk (oar) in patients with brain metastasis who undergone wbrt. materials and methods: ten conse...
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