scholarly journals Two-position measurement of intraocular pressure by PT100 noncontact tonometry in comparison with Goldmann tonometry

2011 ◽  
pp. 1227
Author(s):  
Uchechukwu Osuagwu ◽  
Kelechi Ogbuehi ◽  
Chijuka
Keyword(s):  
Intraocular Pressure ◽  
Position Measurement ◽  
Goldmann Tonometry ◽  
Noncontact Tonometry

Measurements of Intraocular Pressure by Goldmann Tonometry, Tonopen XL, and the Transpalpebral Tonometer, TGDc-01, After Penetrating Keratoplasty: A Comparativye Study

Cornea ◽  
2009 ◽  
Vol 28 (7) ◽  
pp. 724-727 ◽  
Author(s):  
Gabi Shemesh ◽  
Michael Waisbourd ◽  
David Varssano ◽  
Adi Michaeli ◽  
Moshe Lazar ◽  
...  
Keyword(s):  
Intraocular Pressure ◽  
Penetrating Keratoplasty ◽  
Goldmann Tonometry

scholarly journals Comparison of Intraocular Pressure before and after Laser In Situ Keratomileusis Refractive Surgery Measured with Perkins Tonometry, Noncontact Tonometry, and Transpalpebral Tonometry

2015 ◽  
Vol 2015 ◽  
pp. 1-6 ◽  
Author(s):  
Isabel Cacho ◽  
Juan Sanchez-Naves ◽  
Laura Batres ◽  
Jesús Pintor ◽  
Gonzalo Carracedo
Keyword(s):  
Intraocular Pressure ◽  
Refractive Surgery ◽  
Corneal Thickness ◽  
Laser In Situ Keratomileusis ◽  
Spherical Equivalent ◽  
Transpalpebral Tonometry ◽  
Spherical Equivalent Refraction ◽  
Before And After ◽  
Noncontact Tonometry

Purpose. To compare the intraocular pressure (IOP) before and after Laser In Situ Keratomileusis (LASIK), measured by Diaton, Perkins, and noncontact air pulse tonometers.Methods. Fifty-seven patients with a mean age of 34.88 were scheduled for myopia LASIK treatment. Spherical equivalent refraction (SER), corneal curvature (K), and central corneal thickness (CCT) and superior corneal thickness (SCT) were obtained before and after LASIK surgery. IOP values before and after surgery were measured using Diaton, Perkins, and noncontact air pulse tonometers.Results. The IOP values before and after LASIK surgery using Perkins tonometer and air tonometers were statistically significant (p<0.05). However, no significant differences were found (p>0.05) for IOP values measured with Diaton tonometer. CCT decreases significantly after surgery (p<0.05) but no statistical differences were found in SCT (p=0.08). Correlations between pre- and postsurgery were found for all tonometers used, withp=0.001andr=0.434for the air pulse tonometer,p=0.008andr=0.355for Perkins, andp<0.001andr=0.637for Diaton.Conclusion. Transpalpebral tonometry may be useful for measuring postsurgery IOP after myopic LASIK ablation because this technique is not influenced by the treatment.

Intraocular Pressure by Noncontact Tonometry With and Without Soft Contact Lenses

1987 ◽  
Vol 105 (10) ◽  
pp. 1358-1359 ◽  
Author(s):  
M. S. Insler ◽  
R. G. Robbins
Keyword(s):  
Intraocular Pressure ◽  
Contact Lenses ◽  
Soft Contact ◽  
Soft Contact Lenses ◽  
Noncontact Tonometry

scholarly journals Evaluation of the circadian fluctuations of intraocular pressure and ocular perfusion pressure in different types of glaucoma

2018 ◽  
pp. 15-18
Keyword(s):  
Intraocular Pressure ◽  
Perfusion Pressure ◽  
Ocular Blood Flow ◽  
University Hospital ◽  
Ocular Perfusion Pressure ◽  
Goldmann Tonometry ◽  
Ocular Perfusion ◽  
Objective Evidence ◽  
Different Types ◽  
Exfoliative Glaucoma

Background: Glaucoma is a frequent leading cause of blindness. Objective evidence showed that it can be secondary to optic nerve head hypoperfusion and autonomic dysfunction, not only to ocular hypertension. This makes the assessment of ocular blood flow a crucial step in the management of this disease. Aim: To investigate the circadian fluctuations of the intraocular pressure (IOP) and of the mean ocular perfusion pressure (mOPP) in patients with different types of glaucoma. Materials and methods: Sixty-five eyes of 65 glaucoma patients, managed in the Ophthalmology Department of the Careggi University Hospital, Firenze, Italy (2012-2014). Among these eyes, 22 had normotensive glaucoma (NTG), 21 hypertensive glaucoma (HTG), and 22 exfoliative glaucoma (XTG). The IOP was measured by Goldmann tonometry and the blood pressure, both systolic (sBP) and diastolic (dBP), by Riva-Rocci sphygmomanometry, at three time points (8am, 2pm, 8pm). The mOPP was then calculated according to the formula mOPP = [2/3 (2/3 dBP + 1/3sBP) - IOP]. Results: The fluctuations of IOP and mOPP were statistically significant in all the studied eyes (p<0.001 for all the comparisons). Both IOP and mOPP showed significantly larger fluctuations in the XFG eyes than in the NTG and HTG ones (p<0.001 for IOP and p=0.001 for mOPP). Conclusions: In our study, the mOPP had larger circadian fluctuations in eyes with XFG than in those with NTG and HTG. This parameter deserves to be assessed in all types of glaucoma. Key words: Glaucoma, intraocular pressure, mean ocular perfusion pressure.

scholarly journals Rebound tonometry versus Goldmann tonometry in school children: feasibility and agreement of intraocular pressure measurements

2015 ◽  
Vol 78 (6) ◽  
Author(s):  
Bruno Leonardo Barranco Esporcatte ◽  
Flávio Siqueira Santos Lopes ◽  
Camila Fonseca Netto ◽  
Vespasiano Rebouças-Santos ◽  
Diego Torres Dias ◽  
...  
Keyword(s):  
Intraocular Pressure ◽  
School Children ◽  
Pressure Measurements ◽  
Rebound Tonometry ◽  
Goldmann Tonometry

Lack of Effects of Anesthetic on Measurement of Intraocular Pressure by Goldmann Tonometry

1983 ◽  
Vol 60 (4) ◽  
pp. 308-310 ◽  
Author(s):  
JULE GRIEBROK JOSE ◽  
MARK BASTA ◽  
KATHI-JO CRAMER ◽  
MICHAEL FAIN ◽  
DAVID TURETSKY
Keyword(s):  
Intraocular Pressure ◽  
Goldmann Tonometry

scholarly journals The impact of silicone hydrogel contact lenses on the measurement of intraocular pressure using non-contact tonometry

2017 ◽  
Vol 74 (8) ◽  
pp. 763-766 ◽  
Author(s):  
Snezana Pesic ◽  
Svetlana Jovanovic ◽  
Milos Mitrasevic ◽  
Biljana Vuletic ◽  
Milena Jovanovic ◽  
...  
Keyword(s):  
Intraocular Pressure ◽  
Contact Lenses ◽  
Accurate Method ◽  
Contact Method ◽  
Soft Contact ◽  
Silicone Hydrogel ◽  
Soft Contact Lenses ◽  
Significant Difference ◽  
The Impact ◽  
Noncontact Tonometry

Background/Aim. Measurement of intraocular pressure (IOP) over therapeutic silicone hydrogel soft contact lenses by a non-contact method of tonometry could be applied in opthalmologic practice but the results obtained are still controversial. The aim of this study was to evaluate the effect of spherically designed silicone hydrogel soft contact lenses and their power on values of IOP measured by using a noncontact tonometry method. Methods. We measured IOP with and without spherical silicone hydrogel soft contact lenses on 143 eyes of 80 subjects who did not have any ocular or systemic diseases. Results. The Wilcoxon statistical analysis test for ranking average values of IOP measured on 143 eyes over a spherical silicone hydrogel soft contact lenses showed significantly higher values compared to those measured with no contact lenses (15.81 ? 3.46 mm Hg vs 14.54 ? 3.19 mm Hg; respectively; Z = -5.224, p = 0.001). Refractive power analysis of the contact lenses of -9.00D to +6.00 D showed a significant difference of IOP in the range from 0.00D to -6.00D. Conclusion. Non-contact tonometry is not an accurate method of IOP measuring over spherical silicone hydrogel soft contact lenses which belong to therapeutic contact lenses.

scholarly journals Comparison of variation of intraocular pressure in noncontact tonometry in patients subjected to phacoemulsification and trabeculectomy with phacoemulsification

2018 ◽  
Vol Volume 12 ◽  
pp. 2157-2165 ◽  
Author(s):  
Francisco Wellington Rodrigues ◽  
Henrique Ferreira Pucci ◽  
Lucas Oliveira Cintra ◽  
Rodrigo Silva
Keyword(s):  
Intraocular Pressure ◽  
Noncontact Tonometry

scholarly journals Comparisons of intraocular pressure measurements: Goldmann applanation tonometry, noncontact tonometry, Tono-Pen tonometry, and dynamic contour tonometry

Eye ◽  
2009 ◽  
Vol 23 (7) ◽  
pp. 1582-1588 ◽  
Author(s):  
S-Y Hsu ◽  
M-M Sheu ◽  
A-H Hsu ◽  
K-Y Wu ◽  
J-I Yeh ◽  
...  
Keyword(s):  
Intraocular Pressure ◽  
Applanation Tonometry ◽  
Goldmann Applanation Tonometry ◽  
Dynamic Contour Tonometry ◽  
Pressure Measurements ◽  
Noncontact Tonometry
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