June 2013
Volume 54, Issue 15
Free
ARVO Annual Meeting Abstract  |   June 2013
Comparison of Rebound Tonometer Icare-Pro and Goldmann Handheld Applanation Tonometer in Congenital Glaucoma
Author Affiliations & Notes
  • LAURA MORALES-FERNANDEZ
    GLAUCOMA, HOSPITAL CLINICO, Madrid, Spain
  • Lara Borrego
    GLAUCOMA, HOSPITAL CLINICO, Madrid, Spain
  • Jose Martinez de la Casa
    GLAUCOMA, HOSPITAL CLINICO, Madrid, Spain
  • Federico Saenz-Frances
    GLAUCOMA, HOSPITAL CLINICO, Madrid, Spain
  • Julian Garcia-Feijoo
    GLAUCOMA, HOSPITAL CLINICO, Madrid, Spain
  • Footnotes
    Commercial Relationships LAURA MORALES-FERNANDEZ, None; Lara Borrego, None; Jose Martinez de la Casa, None; Federico Saenz-Frances, None; Julian Garcia-Feijoo, Trancend (C), Ivantis (C), Glaukos (C), MSD (C), Allergan (F), Pfizer (F), Alcon (C), Sensimed (F), Sylentis (F), Bausch and Lomb (C)
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science June 2013, Vol.54, 5644. doi:
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      LAURA MORALES-FERNANDEZ, Lara Borrego, Jose Martinez de la Casa, Federico Saenz-Frances, Julian Garcia-Feijoo, ; Comparison of Rebound Tonometer Icare-Pro and Goldmann Handheld Applanation Tonometer in Congenital Glaucoma. Invest. Ophthalmol. Vis. Sci. 2013;54(15):5644.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: To establish the reproducibility of the new rebound tonometer Icare-Pro, and its correlation with the Goldmann Handheld Applanation Tonometer (Perkins) in pediatric patients diagnosed with primary congenital glaucoma.

Methods: Using both tonometers, the IOP was prospectively determined in 78 eyes of 40 patients with congenital glaucoma examined under anaesthesia (short age: 8 to 88 months). Corneal curvature, central corneal thickness (CCT), and axial length were also measured in each patient.

Results: There was a good correlation between IOP readings obtained by the GAT and the Icare-Pro (r= 0.796, p<0.001). ICare readings were midly higher than GAT measurements (mean IOP difference -0.36 + 3.95 mmHg, p=0.40). A Bland-Altman plot indicated the 95% limits of agreement between the two methods were 7.4 to -8.1 mm Hg (slope=0.017; p=0.919). In terms of pachymetry, in this group of patients, the two tonometers behaved in a similar way, without correlation observed between IOP measurements and central corneal thickness.

Conclusions: The new rebound tonometer Icare- Pro shows a high reproducibility and excellent correlation in their measurements with the Goldmann handheld applanation tonometer in children with congenital glaucoma.

Keywords: 568 intraocular pressure • 465 clinical (human) or epidemiologic studies: systems/equipment/techniques  
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