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Paper Information

Journal:   JOURNAL OF OPHTHALMIC AND VISION RESEARCH   2016 , Volume 11 , Number 1; Page(s) 42 To 47.
 
Paper: 

DIURNAL VARIATIONS IN INTRAOCULAR PRESSURE, CENTRAL CORNEAL THICKNESS, AND MACULAR AND RETINAL NERVE FIBER LAYER THICKNESS IN DIABETICS AND NORMAL INDIVIDUALS

 
DOI: 

10.4103/2008-322X.180708

 
Author(s):  SHARIFIPOUR FARIDEH*, FARRAHI FEREIDOUN, MOGHADDASI ALIREZA, IDANI AIDA, YASERI MEHDI
 
* DEPARTMENT OF OPHTHALMOLOGY, IMAM KHOMEINI HOSPITAL, AZADEGAN STREET, AHVAZ 61936, IRAN
 
Abstract: 

Purpose: To evaluate diurnal variations in intraocular pressure (IOP), central corneal thickness (CCT), and macular and retinal nerve fiber layer (RNFL) thickness in diabetic patients and normal individuals.
Methods: This study included 11 diabetic patients with macular edema and 11 healthy individuals. IOP, CCT, and macular and RNFL thickness were measured every 3 hours on a single day between 9 AM and 6 PM. Diurnal variations in IOP, CCT, total macular volume (TMV), central macular thickness (CMT), average macular thickness (AMT), and RNFL thickness were measured.
Results: None of the parameters showed a significant absolute or relative change over the course of the day. However, the following non?significant changes were observed. In the control group, all parameters demonstrated the highest values at 9 AM. The lowest IOP, TMV and AMT occurred at 12 PM; lowest CCT and RNFL at 6 PM; and the lowest CMT at 3 PM. Diabetic subjects had the highest values of RNFL, CMT and TMV at 9 AM, and that for IOP, CCT and AMT at 6 PM. The lowest RNFL and CMT values occurred at 6 PM; lowest IOP at 12 PM; and the lowest CCT, TMV and AMT were observed at 3 PM. In the diabetic group, TMV, CMT, AMT and CCT were significantly higher and RNFL was significantly lower than the control group at all time points (allP- values<0.05).
Conclusion: While there were slight decreases in IOP, RNFL thickness and CMT during the day, these changes were not significant between 9 AM and 6 PM and probably do not affect the interpretation of measurements.

 
Keyword(s): DIURNAL VARIATION, RETINAL AND NERVE FIBER LAYER THICKNESS, CENTRAL CORNEAL THICKNESS, OPTICAL COHERENCE TOMOGRAPHY
 
 
References: 
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Citations: 
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APA: Copy

SHARIFIPOUR, F., & FARRAHI, F., & MOGHADDASI, A., & IDANI, A., & YASERI, M. (2016). DIURNAL VARIATIONS IN INTRAOCULAR PRESSURE, CENTRAL CORNEAL THICKNESS, AND MACULAR AND RETINAL NERVE FIBER LAYER THICKNESS IN DIABETICS AND NORMAL INDIVIDUALS. JOURNAL OF OPHTHALMIC AND VISION RESEARCH, 11(1), 42-47. https://www.sid.ir/en/journal/ViewPaper.aspx?id=511042



Vancouver: Copy

SHARIFIPOUR FARIDEH, FARRAHI FEREIDOUN, MOGHADDASI ALIREZA, IDANI AIDA, YASERI MEHDI. DIURNAL VARIATIONS IN INTRAOCULAR PRESSURE, CENTRAL CORNEAL THICKNESS, AND MACULAR AND RETINAL NERVE FIBER LAYER THICKNESS IN DIABETICS AND NORMAL INDIVIDUALS. JOURNAL OF OPHTHALMIC AND VISION RESEARCH. 2016 [cited 2021July29];11(1):42-47. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=511042



IEEE: Copy

SHARIFIPOUR, F., FARRAHI, F., MOGHADDASI, A., IDANI, A., YASERI, M., 2016. DIURNAL VARIATIONS IN INTRAOCULAR PRESSURE, CENTRAL CORNEAL THICKNESS, AND MACULAR AND RETINAL NERVE FIBER LAYER THICKNESS IN DIABETICS AND NORMAL INDIVIDUALS. JOURNAL OF OPHTHALMIC AND VISION RESEARCH, [online] 11(1), pp.42-47. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=511042.



 
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