|
مقاله
|
Abstract
|
|
|
|
Title:
|
Prevalence of with the rule and against the rule astigmatism
|
|
Author(s):
|
Mohsen Akhgary, Mohammad Ghassemi-Broumand, Mohammad Aghazadeh Amiri, Seyed Mehdi Tabatabaee
|
|
Presentation Type:
|
Poster
|
|
Subject:
|
Cornea and Anterior Segment
|
|
Others:
|
|
|
Presenting Author:
|
|
|
Name:
|
Mohsen Akhgary
|
|
Affiliation :(optional)
|
Rehabilitation faculty of Shahid Beheshti University of Medical Sciences
|
|
E mail:
|
makhgary@yahoo.com
|
|
Phone:
|
021-77542057
|
|
Mobile:
|
09125077110
|
|
|
|
|
Purpose:
|
To determine the prevalence of with the rule and against the rule astigmatism in patients that examined in optometry clinic of rehabilitation faculty of shahid baheshti medical university
|
|
Methods:
|
In this crossed – sectional study 804 files of patients that examined in optometry clinic of rehabilitation faculty of shahid baheshti medical university investigated. Astigmatism was defined as a cylinder power of ≥-0.5 D The astigmatism type was defined as with-the-rule (WTR) (+ cylinder axis 90±20 degrees) and against-the-rule (ATR) (+ cylinder axis 180±20 degrees); all other orientations were considered oblique (OBL).
|
|
Results:
|
The prevalence of WTR and ATR astigmatism in low vision patients were 31.37% and 29.41% and in other patient’s were 21% and 20.7% respectively. The most prevalence of WTR astigmatism in low vision patients was in age groups 10-20 old years (29.7%) and high prevalence of ATR astigmatism in age groups 70-80 old years (26.7%).The most prevalence of WTR astigmatism in other patients were in age groups under 10 old years (29.4%) and the most prevalence of ATR astigmatism in age groups 50-60 old years (22.23%) respectively.
|
|
Conclusion:
|
In present study the prevalence of ATR astigmatism in older patient’s more than in juvenile patients and conduced with previous study
|
|
Attachment:
|
485sample.pptx
|
|