Comparison of central corneal thickness estimated by an ultrasonic pachymeter and non-contact specular microscopy
ABSTRACT Purpose: To compare central corneal thickness (CCT) measurements of healthy individuals obtained with ultrasonic pachymetry (UP) and non-contact specular microscopy (NCSM). Method: In total, 148 eyes of 74 subjects with no ocular or systemic diseases were included in the study. Central corneal thickness measurements of all patients performed with UP and NCCM were compared. Results: A total of 74 subjects (38 females) were included in this study. The mean age was 45.2 ± 18.4 (range 12-85) years. The mean central corneal thickness of all 148 eyes was 546.9 ± 40 μm with UP and 510.8 ± 42 μm with NCSM. The mean central corneal thickness measured with NCSM was 35 μm thinner than that measured with UP (p<0.001). A high degree of agreement was found between the two methods (r=0.942, p<0.001). Conclusions: Our results suggest that NCSM measures thinner corneas than UP and that the correction formula we identified should be applied when comparing between these two devices.
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Conselho Brasileiro de Oftalmologia
2016
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oai:scielo:S0004-274920160005003122016-11-30Comparison of central corneal thickness estimated by an ultrasonic pachymeter and non-contact specular microscopyÇevik,Sadık GörkemDuman,RahmiÇevik,Mediha TokKıvanç,Sertaç ArgunAkova-Budak,BernaPerente,IrfanDuman,Resat Cornea/pathology Corneal pachymetry Microscopy/methods Cornea/anatomy & histology Comparative study ABSTRACT Purpose: To compare central corneal thickness (CCT) measurements of healthy individuals obtained with ultrasonic pachymetry (UP) and non-contact specular microscopy (NCSM). Method: In total, 148 eyes of 74 subjects with no ocular or systemic diseases were included in the study. Central corneal thickness measurements of all patients performed with UP and NCCM were compared. Results: A total of 74 subjects (38 females) were included in this study. The mean age was 45.2 ± 18.4 (range 12-85) years. The mean central corneal thickness of all 148 eyes was 546.9 ± 40 μm with UP and 510.8 ± 42 μm with NCSM. The mean central corneal thickness measured with NCSM was 35 μm thinner than that measured with UP (p<0.001). A high degree of agreement was found between the two methods (r=0.942, p<0.001). Conclusions: Our results suggest that NCSM measures thinner corneas than UP and that the correction formula we identified should be applied when comparing between these two devices.info:eu-repo/semantics/openAccessConselho Brasileiro de OftalmologiaArquivos Brasileiros de Oftalmologia v.79 n.5 20162016-10-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0004-27492016000500312en10.5935/0004-2749.20160089 |
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Çevik,Sadık Görkem Duman,Rahmi Çevik,Mediha Tok Kıvanç,Sertaç Argun Akova-Budak,Berna Perente,Irfan Duman,Resat |
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Çevik,Sadık Görkem Duman,Rahmi Çevik,Mediha Tok Kıvanç,Sertaç Argun Akova-Budak,Berna Perente,Irfan Duman,Resat Comparison of central corneal thickness estimated by an ultrasonic pachymeter and non-contact specular microscopy |
author_facet |
Çevik,Sadık Görkem Duman,Rahmi Çevik,Mediha Tok Kıvanç,Sertaç Argun Akova-Budak,Berna Perente,Irfan Duman,Resat |
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Çevik,Sadık Görkem |
title |
Comparison of central corneal thickness estimated by an ultrasonic pachymeter and non-contact specular microscopy |
title_short |
Comparison of central corneal thickness estimated by an ultrasonic pachymeter and non-contact specular microscopy |
title_full |
Comparison of central corneal thickness estimated by an ultrasonic pachymeter and non-contact specular microscopy |
title_fullStr |
Comparison of central corneal thickness estimated by an ultrasonic pachymeter and non-contact specular microscopy |
title_full_unstemmed |
Comparison of central corneal thickness estimated by an ultrasonic pachymeter and non-contact specular microscopy |
title_sort |
comparison of central corneal thickness estimated by an ultrasonic pachymeter and non-contact specular microscopy |
description |
ABSTRACT Purpose: To compare central corneal thickness (CCT) measurements of healthy individuals obtained with ultrasonic pachymetry (UP) and non-contact specular microscopy (NCSM). Method: In total, 148 eyes of 74 subjects with no ocular or systemic diseases were included in the study. Central corneal thickness measurements of all patients performed with UP and NCCM were compared. Results: A total of 74 subjects (38 females) were included in this study. The mean age was 45.2 ± 18.4 (range 12-85) years. The mean central corneal thickness of all 148 eyes was 546.9 ± 40 μm with UP and 510.8 ± 42 μm with NCSM. The mean central corneal thickness measured with NCSM was 35 μm thinner than that measured with UP (p<0.001). A high degree of agreement was found between the two methods (r=0.942, p<0.001). Conclusions: Our results suggest that NCSM measures thinner corneas than UP and that the correction formula we identified should be applied when comparing between these two devices. |
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Conselho Brasileiro de Oftalmologia |
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2016 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0004-27492016000500312 |
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