ISSN : 3023-7505
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Automated Perimetry
Carbonic Anhydrase Inhibitors
Intra Ocular Lens Power Calculation and Optic Biometry...
Visual Field Defects in Glaucoma
Visual Field Defect and Retinal Nerve Fiber Layer Defect in a Case of Optic Nerve Head Drusen...
Current Minimal Invasive Angle Procedures Without Implants for the Treatment of Glaucoma...
Intra Ocular Lens Power Calculation and Optic Biometry...
Automated Perimetry
Carbonic Anhydrase Inhibitors
Visual Field Defect and Retinal Nerve Fiber Layer Defect in a Case of Optic Nerve Head Drusen...
PureSee Kesintisiz Yüksek Kalitede Görüş
TJ-CEO 2012 , Vol 7 , Num 1
Turkish Abstract Abstract PDF Similar Articles Mail to Author
Comparison of Intraocular Pressure Measurements Before and After Contact Lens Wearing with I-Care and Tono-Pen XL Measurement Devices
Ayşe VURAL ÖZEÇ1, Neslihan SÜRMELİOĞLU2, Mustafa İlker TOKER3, Mustafa Kemal ARICI4, Haydar ERDOĞAN4, Ayşen TOPALKARA4
1M.D. Asistant Professor, Cumhuriyet University Faculty of Medicine Department of Ophthalmology, Sivas/TURKEY
2M.D., Cumhuriyet University Faculty of Medicine Department of Ophthalmology, Sivas/TURKEY
3M.D. Associate Professor, Cumhuriyet University Faculty of Medicine Department of Ophthalmology, Sivas/TURKEY
4M.D. Professor, Cumhuriyet University Faculty of Medicine Department of Ophthalmology, Sivas/TURKEY
Purpose: To determine the agreement between the measurements of intraocular pressure (IOP) by two portable tonometers at patients with cornea pathology who were requiring contact lens usage.
Material and Methods: IOP measurements of 64 eyes without eye pathology except refraction error have been recorded before contact lens wearing and after 5 minutes with both devices. Tono-Pen XL measurements were done after 15 minutes following I-Care tonometer measurements. T test, Pearson correlation analysis and Blant&Altman analysis were used for statistical evaluation.
Results: Statistically significant difference were determined between measurements with and without contact lens (p<0.05). The results of measurements with I-Care were higher +2.07±3.38 mmHg than Tono-Pen XL and I-Care measurements with contact lens were higher +2.67±3.30 mmHg than Tono-Pen XL with contact lens (p<0.05). When we compare two device measurements separately; while there were no statistically significant difference between I-Care measurements with and without contact lens, Tono-Pen XL measurements showed statistically significant difference. Tono-Pen XL measurements with contact lens were lower 1.23±2.98 mmHg averagely than measurements without contact lens. While there was a good correlation between I-Care and Tono-Pen XL; I-Care and I-Care with contact lens and Tono-Pen XL and Tono-Pen XL with contact lens measurements (r=0.519, r=0.670, r=0.603 p<0.0001).
Conclusion: Although both devices can be used for IOP measurements with contact lens, I-Care tonometer can be preferred due to absent of significant difference between measurements with and without contact lens.
Keywords : Contact lens, intra ocular pressure, tonometry
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