DETERMINATION OF VALIDITY OF CORNEAL THICKNESS MEASUREMENT BETWEEN ULTRASOUND PACHYMETRY (US), SCHEIMPFLUG IMAGING (PENTACAM, OCULUS) AND SCANNING-SLIT TOPOGRAPHY (ORBSCAN II, BAUSCH & LOMB) IN HYPEROPIC EYES AFTER LASEK SURGERY

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SHIRALIVAND EHSAN; GHASEMI BROUMAND MOHAMMAD; JABBAVAND BEHROUZ MAHMOUD; AGHAZADEH AMIRI MOHAMMAD; TABATABAIE SEYYED MAHDI

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Journal: Scientific Journal of Rehabilitation Medicine Year:2014 | Volume:3 | Issue:1 Page(s): 1-7

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Title

DETERMINATION OF VALIDITY OF CORNEAL THICKNESS MEASUREMENT BETWEEN ULTRASOUND PACHYMETRY (US), SCHEIMPFLUG IMAGING (PENTACAM, OCULUS) AND SCANNING-SLIT TOPOGRAPHY (ORBSCAN II, BAUSCH & LOMB) IN HYPEROPIC EYES AFTER LASEK SURGERY

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Keywords

PENTACAM HRQ2

ORBSCAN IIQ2

ULTRASOUNDQ2

HYPEROPIAQ2

LASEKQ2

Abstract

Background and Aim: The aim of this study was to determine the validity in central corneal thickness (CCT) and peripheral corneal thickness (PCT) measured by Scheimpflug imaging (Pentacam, Oculus) and scanning-slit topography (ORBSCAN II, Bausch & Lomb) using gold standard method of ULTRASOUND (US) in Hyperopic eyes after LASEK surgery.Materials and Methods: This descriptive-analytic study carried out on hyperopic patients who underwent LASEK eye surgery in Farabi eye hospital in 2012 and collection of samples lasted 9 months.28 Hyperopic eyes who underwent LASEK eye surgery were inspected by ULTRASOUND (US), Scheimpflug imaging (Pentacam, Oculus) and scanning-slit topography (ORBSCAN II, Bausch & Lomb). Statistical analysis of collected data was performed using SPSS software version 18 and paired t-test method.Results: CT and PCT were evaluated in 28 eyes. CCT measured by ORBSCAN II had good correlation with those measured by ULTRASOUND pachymetry (r=0.083 and p<0.05). ORBSCAN II had good correlation in CCT measurement with those measured by PENTACAM HR (p<0.05 and r=0.072). PCT measured by PENTACAM HR had good correlation with those ULTRASOUND pachymetry readings and there is no considerable discrepancy between two methods. ORBSCAN II had good correlation in superior, inferior and temporal corneal thickness but there was considerable discrepancy in nasal corneal thickness measured by ORBSCAN II with those of ULTRASOUND pachymetry (sig=0.01, t=-2.74, p<0.05).Conclusion: PENTACAM HR and ORBSCAN II showed good correlation with US in CCT measurement; however, in PCT measurement PENTACAM HR had better correlation compared to ORBSCAN II in hyperopic patients after LASEK refractive surgery.

Cites

COMPARISON OF CORNEAL THICKNESS IN CANDIDATES FOR PHOTOREFRACTIVE KERATECTOMY (PRK) USING THREE METHODS, ORBSCAN II, PENTACAM, AND ULTRASOUND

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APA: Copy

SHIRALIVAND, EHSAN, GHASEMI BROUMAND, MOHAMMAD, JABBAVAND BEHROUZ, MAHMOUD, AGHAZADEH AMIRI, MOHAMMAD, & TABATABAIE, SEYYED MAHDI. (2014). DETERMINATION OF VALIDITY OF CORNEAL THICKNESS MEASUREMENT BETWEEN ULTRASOUND PACHYMETRY (US), SCHEIMPFLUG IMAGING (PENTACAM, OCULUS) AND SCANNING-SLIT TOPOGRAPHY (ORBSCAN II, BAUSCH & LOMB) IN HYPEROPIC EYES AFTER LASEK SURGERY. SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE, 3(1), 1-7. SID. https://sid.ir/paper/239841/en

Vancouver: Copy

SHIRALIVAND EHSAN, GHASEMI BROUMAND MOHAMMAD, JABBAVAND BEHROUZ MAHMOUD, AGHAZADEH AMIRI MOHAMMAD, TABATABAIE SEYYED MAHDI. DETERMINATION OF VALIDITY OF CORNEAL THICKNESS MEASUREMENT BETWEEN ULTRASOUND PACHYMETRY (US), SCHEIMPFLUG IMAGING (PENTACAM, OCULUS) AND SCANNING-SLIT TOPOGRAPHY (ORBSCAN II, BAUSCH & LOMB) IN HYPEROPIC EYES AFTER LASEK SURGERY. SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE[Internet]. 2014;3(1):1-7. Available from: https://sid.ir/paper/239841/en

IEEE: Copy

EHSAN SHIRALIVAND, MOHAMMAD GHASEMI BROUMAND, MAHMOUD JABBAVAND BEHROUZ, MOHAMMAD AGHAZADEH AMIRI, and SEYYED MAHDI TABATABAIE, “DETERMINATION OF VALIDITY OF CORNEAL THICKNESS MEASUREMENT BETWEEN ULTRASOUND PACHYMETRY (US), SCHEIMPFLUG IMAGING (PENTACAM, OCULUS) AND SCANNING-SLIT TOPOGRAPHY (ORBSCAN II, BAUSCH & LOMB) IN HYPEROPIC EYES AFTER LASEK SURGERY,” SCIENTIFIC JOURNAL OF REHABILITATION MEDICINE, vol. 3, no. 1, pp. 1–7, 2014, [Online]. Available: https://sid.ir/paper/239841/en

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