Application of Intra-ocular Lenses in Cataract Surgery and the Factors Influencing Visual Acuity after Surgery
Message:
Abstract:
Introduction
With the growing and rapid development of refractive surgery، researches focus increasingly on improvement of visual quality after cataract surgery. Intraocular lenses (IOLs) were a successful effort in the field of cataract surgery. Despite significant advances in cataract surgery، several complications related to surgical technique and IOL design after surgery can cause vision changes and reduce accuracy. Improvements in IOL design and surgical technique have a significant impact on the rate and extent of Tilt and Decentration effects. Because of small movement in modern intraocular lenses (aspheric)، its performance can be significantly reduced، therefore aberration correction in the eye with an artificial lens requires to be more careful on IOL centration and location.
Methods
In this paper، the characteristics of intraocular lenses and devices used in the measurement and design of this lens are also taken into consideration. In addition، factors affecting the optical and visual acuity in cataract surgery such as Tilt and Decentration are presented. Additionally، materials in regard to computer simulation of optical models of the eye in research as well as optical computations in clinical situations are provided.
Conclusion
Finally، the findings revealed that obtaining optimal vision in cataract surgery requires precise measurement and computational techniques as well as an awareness of aberrations that may be created during or after surgery. Moreover، further research and improvement in the process of measurement and calculation will enhance the visual acuity in cataract surgery.
Language:
Persian
Published:
Journal of Shaeed Sdoughi University of Medical Sciences Yazd, Volume:21 Issue: 4, 2013
Pages:
533 to 546
magiran.com/p1176797  
دانلود و مطالعه متن این مقاله با یکی از روشهای زیر امکان پذیر است:
اشتراک شخصی
با عضویت و پرداخت آنلاین حق اشتراک یک‌ساله به مبلغ 990,000ريال می‌توانید 70 عنوان مطلب دانلود کنید!
اشتراک سازمانی
به کتابخانه دانشگاه یا محل کار خود پیشنهاد کنید تا اشتراک سازمانی این پایگاه را برای دسترسی نامحدود همه کاربران به متن مطالب تهیه نمایند!
توجه!
  • حق عضویت دریافتی صرف حمایت از نشریات عضو و نگهداری، تکمیل و توسعه مگیران می‌شود.
  • پرداخت حق اشتراک و دانلود مقالات اجازه بازنشر آن در سایر رسانه‌های چاپی و دیجیتال را به کاربر نمی‌دهد.
دسترسی سراسری کاربران دانشگاه پیام نور!
اعضای هیئت علمی و دانشجویان دانشگاه پیام نور در سراسر کشور، در صورت ثبت نام با ایمیل دانشگاهی، تا پایان فروردین ماه 1403 به مقالات سایت دسترسی خواهند داشت!
In order to view content subscription is required

Personal subscription
Subscribe magiran.com for 50 € euros via PayPal and download 70 articles during a year.
Organization subscription
Please contact us to subscribe your university or library for unlimited access!