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مقاله
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Abstract
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Title:
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Comparing tear film stability prolongation evaluated by Javal-Schiotz-Keratometer and slit lamp
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Author(s):
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Amir Asharlous MSc, Ebrahim Jafarzadehpur Ph.D, Ali Mirzajani Ph.D, Mehdi Khabazkhoob Ph.D
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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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Amir Asharlous
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Affiliation :(optional)
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iran university of medical sciences
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E mail:
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asharlous.a@iums.ac.ir
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Phone:
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021-65519302
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Mobile:
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09128435537
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Purpose:
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To innovatively compare the tear film stability assessing noninvasively by Javal-Schiotz keratometer (Tear Deformation Time [TDT]) and invasively by slit lamp (Invasive Tear Break up Time [I-TBUT]).
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Methods:
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TDT and I-TBUT were assessed in only one eyes of one hundred healthy young participants aged from 18 to 25 years (Mean ± Standard Deviation = 20.49±1.80). Healthy ocular surface was considered as inclusive criteria. Nonparametric statistical analysis was performed to compare the TDT with I-TBUT and reveal correlation between them.
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Results:
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The TDT values (Mean: 22.84 ± 20.14 seconds) were significantly higher than the I-TBUT (Mean: 15.73 ± 8.89 seconds) data (P= 0.027). Neither TDT nor I-TBUT was affected by gender of the subjects. A significant direct correlation was detected between the TDT and I-TBUT data (Spearman’s ? = 0.458, P <0.0001). Neither I-TBUT nor TDT had significant relationship with age and sex factors.
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Conclusion:
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Our findings indicated that tear stability prolongation results obtained by TDT technique were significantly higher than the I-TBUT method outcomes. Noninvasive nature, easiness, basal tear film evaluation, availability, inexpensiveness, Fluorescein nonuse and accessibility in the clinic (no need for Para-clinical equipment) are benefits of the TDT technique.
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Attachment:
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5868.pptx
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