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مقاله
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Abstract
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Title:
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cycloplegic autorefraction Versus Subjective Refraction in all age groups
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Author(s):
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Nooshin Dadbin; Haasan Hashemi; Akbar Fotouhi; Sara Soroush; mehdi Khabazkhoob
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Presentation Type:
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Poster
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Subject:
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Cornea and Anterior Segment
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Others:
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Presenting Author:
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Name:
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Nooshin Dadbin
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Affiliation :(optional)
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Noor Ophthalmology Research Center, Noor Eye Hospital, Tehran, Iran
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E mail:
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nono1359@yahoo.com
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Phone:
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Mobile:
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09123220626
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Purpose:
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To compare cycloplegic autorefraction with non-cycloplegic subjective refraction across all age and refractive error groups
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Methods:
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In a cross-sectional study with random stratified cluster sampling, 160 clusters were chosen from various districts proportionate to the population of each district in Tehran. Following retinoscopy and autorefraction, all participants had a subjective refraction.
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Results:
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Based on cycloplegic and subjective refraction, mean spherical equivalent was +0.31 ±1.80 and -0.32 ±1.61 diopter (D), respectively (p<0.001). The largest difference between these two types of refraction was seen in the 5-10 year age group (1.11 ±0.60 D) and the smallest difference was in the over 70 age group (0.34 ±0.45D). We found that female gender, older age, higher education and cycloplegic spherical equivalent significantly correlated with lower inter-method differences. The smallest difference between these two types of refraction was seen in myopic subjects (0.19D) and the largest difference was in hyperopes (0.96D).
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Conclusion:
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Despite a strong correlation, results of cycloplegic and subjective refraction were different in all age groups. The difference decreases with age, and is greater in men than women
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Attachment:
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4209cyclo-subjective.pptx
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