Relevant bibliographies by topics / Rebound tonometri

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Academic literature on the topic 'Rebound tonometri'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Rebound tonometri"

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Cvenkel, Barbara, Makedonka Atanasovska Velkovska, and Vesna Dimovska Jordanova. "Self-measurement with Icare HOME tonometer, patients’ feasibility and acceptability." European Journal of Ophthalmology 30, no. 2 (2019): 258–63. http://dx.doi.org/10.1177/1120672118823124.

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Purpose: To evaluate and compare the accuracy of self-measurement of intraocular pressure using Icare Home rebound tonometer with Goldmann applanation tonometer and assess acceptability of self-tonometry in patients with glaucoma and ocular hypertension. Methods: In the study, 117 subjects were trained to use Icare Home for self-measurement. Icare Home tonometer readings were compared with Goldmann applanation tonometer, including one eye per patient. Agreement between the two methods of measurement was evaluated by Bland and Altmann analysis. Questionnaire was used to evaluate patients’ perception of self-tonometry. Results: One hundred and three out of 117 patients (88%) were able to measure their own intraocular pressure and 96 (82%) fulfilled the requirements for certification. The mean (SD) difference Goldmann applanation tonometer minus Icare Home was 1.2 (2.4) mmHg (95% limits of agreement, –3.4 to 5.9 mmHg). The magnitude of bias between the two methods depended on central corneal thickness, with greater bias at central corneal thickness <500 µm. In 65 out of 96 subjects (67.7%), Icare Home results were within 2 mmHg of the Goldmann applanation tonometer. Seventy-three out of 93 (78.5%) felt that self-tonometry was easy to use and 75 patients (80.6%) responded that they would use the device at home. Conclusion: Icare Home tonometry tends to slightly underestimate intraocular pressure compared to Goldmann applanation tonometer. Most patients were able to perform self-tonometry and found it acceptable for home use. Measurements using rebound self-tonometry could improve the quality of intraocular pressure data and optimize treatment regimen.
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Molero-Senosiaín, Mercedes, Laura Morales-Fernández, Federico Saenz-Francés, Julian García-Feijoo, and Jose María Martínez-de-la-Casa. "Analysis of reproducibility, evaluation, and preference of the new iC100 rebound tonometer versus iCare PRO and Perkins portable applanation tonometry." European Journal of Ophthalmology 30, no. 6 (2019): 1349–55. http://dx.doi.org/10.1177/1120672119878017.

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Objectives: To analyze the reproducibility of the new iC100 rebound tonometer, to compare its results with the applanation tonometry and iCare PRO and to evaluate the preference between them. Materials and methods: For the study of reproducibility, 15 eyes of 15 healthy Caucasian subjects were included. Three measurements were taken each day in three separate sessions. For the comparative study, 150 eyes of 150 Caucasian subjects were included (75 normal subjects and 75 patients with glaucoma). Three consecutive measurements were collected with each tonometer, randomizing the order of use. The discomfort caused by each tonometer was evaluated using the visual analogue scale. Results: No statistically significant differences were detected between sessions. In the comparison between tonometers, the measurements with iC100 were statistically lower than those of Perkins (−1.35 ± 0.417, p = 0.004) and that iCare PRO (−1.41 ± 0.417, p = 0.002). The difference between PRO and Perkins was not statistically significant ( p = 0.990). The mean time of measurement (in seconds) with iC100 was significantly lower than with Perkins (6.74 ± 1.46 vs 15.53 ± 2.01, p < 0.001) and that PRO (6.74 ± 1.46 vs 11.53 ± 1.85, p < 0.001). Visual analogue scale score with iC100 was lower than Perkins (1.33 ± 0.99 vs 1.73 ± 1.10, p < 0.05). In total, 61.7% preferred iC100 against Perkins. Conclusion: The reproducibility of this instrument has been proven good. iC100 underestimates intraocular pressure compared to applanation tonometry at normal values and tends to overestimate it in high intraocular pressure values. Most of the subjects preferred iC100 tonometer.
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Lee, Kook, Ji Young Lee, Jung Il Moon, and Myoung Hee Park. "Comparison of Icare Rebound Tonometer with Goldmann Applanation Tonometry." Journal of the Korean Ophthalmological Society 54, no. 2 (2013): 296. http://dx.doi.org/10.3341/jkos.2013.54.2.296.

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Rödter, Tara Helena, Stephanie Knippschild, Christine Baulig, and Frank Krummenauer. "Meta-analysis of the concordance of Icare® PRO–based rebound and Goldmann applanation tonometry in glaucoma patients." European Journal of Ophthalmology 30, no. 2 (2019): 245–52. http://dx.doi.org/10.1177/1120672119866067.

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Background: The Icare® PRO rebound tonometer is being promoted as a patient-friendly device for glaucoma detection and monitoring, allowing rapid and accurate intraocular pressure measurement avoiding anaesthesia. The aim of this systematic review was to examine the concordance of Icare® PRO and Goldmann applanation tonometry in glaucoma patients. Methods: The German and English literature research was carried out using PubMed and Cochrane Library between January 2010 and March 2018. Method comparison trials in a paired sample study design were identified. Search criteria were ‘Icare PRO’, ‘Rebound’, ‘Goldmann’ and ‘Applanation’. Adult patients with glaucoma of any aetiology were included. The intraindividual intraocular pressure deviation between Icare® PRO and Goldmann applanation tonometry (mm Hg) served as primary endpoint, parameterized by the reported mean differences. For each study, an asymptotic 95% confidence interval was derived. The overall intraocular pressure meta-difference (Icare® PRO-Goldmann applanation tonometry) and 95% confidence interval were estimated using the random effect model. Result: Of 147 publications, 6 studies (672 eyes) were included after reviewing. Four studies showed an intraocular pressure underestimation by the Icare® PRO, two an overestimation. The meta-difference (Icare® PRO-Goldmann applanation tonometry = −0.14 mm Hg; 95% confidence interval: (−0.43 mm Hg; 0.15 mm Hg)) indicated a non-significant, clinically irrelevant mean deviation (p = 0.335). The devices showed good agreement, but there was a strong heterogeneity between the studies (I² = 77%): two studies presented a significant difference (Icare® PRO-Goldmann applanation tonometry), however, with deviations in opposite directions. Conclusion: Although the manufacturer advertises the Icare® PRO as a ‘tonometer with superior accuracy’, the present review could neither confirm nor deny considerable agreement between Goldmann applanation tonometry and Icare® PRO in glaucomatous patients.
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UZUNEL, Umut Duygu, Bora YÜKSEL, and Tuncay KÜSBECİ. "Intraocular Pressure Measurement with Rebound Tonometer in Eyes with Contact Lenses." Turkiye Klinikleri Journal of Ophthalmology 24, no. 2 (2015): 102–6. http://dx.doi.org/10.5336/ophthal.2014-42700.

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Suman, Suwarna, Ajai Agrawal, Virendra K. Pal, and Vir B. Pratap. "Rebound Tonometer." Journal of Glaucoma 23, no. 9 (2014): 633–37. http://dx.doi.org/10.1097/ijg.0b013e318285fefd.

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Lambert, Scott R., Michele Melia, Angela N. Buffenn, Michael F. Chiang, Jennifer L. Simpson, and Michael B. Yang. "Rebound Tonometry in Children." Ophthalmology 120, no. 4 (2013): e21-e27. http://dx.doi.org/10.1016/j.ophtha.2012.09.058.

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Price, Jade M., Brooke Saffren, Qiang Zhang, Rose A. Hamershock, James Sharpe, and Alex V. Levin. "Falsely high rebound tonometry." Journal of American Association for Pediatric Ophthalmology and Strabismus 25, no. 4 (2021): e27. http://dx.doi.org/10.1016/j.jaapos.2021.08.104.

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9

Poostchi, Ali, Robert Mitchell, Simon Nicholas, Gordon Purdie, and Anthony Wells. "The iCare rebound tonometer: comparisons with Goldmann tonometry, and influence of central corneal thickness." Clinical & Experimental Ophthalmology 37, no. 7 (2009): 687–91. http://dx.doi.org/10.1111/j.1442-9071.2009.02109.x.

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Chacaltana, Flor Diana Yokoay Claros, João Antonio Tadeu Pigatto, and Ione Terezinha Denardin. "Assessment of intraocular pressure in chinchillas of different age groups using rebound tonometry." Ciência Rural 46, no. 8 (2016): 1466–71. http://dx.doi.org/10.1590/0103-8478cr20151206.

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ABSTRACT: The aim of this research was to measure the intraocular pressure (IOP) of normal chinchilla eyes using the rebound tonometer. A further aim was to assess whether there were differences in the values of intraocular pressure in relation to animals age, gender and time of day. Thirty-six chinchillas were divided into three groups of 12 chinchillas each, by age: Group I (2-6-month-old), Group II (20 and 34 months) and Group III (37 and 135 months). Ophthalmic examination was performed previously by Schirmer tear test, slit lamp biomicroscopy, indirect ophthalmoscopy and fluorescein test in all chinchillas. Three measurements of intraocular pressure were assessed on the same day (7, 12 and 19h). Tonometry was performed on both eyes using the rebound tonometer after calibration in "p" mode. Statistical analysis was performed with SigmaPlot for Windows. The mean IOP for groups I, II and III were 2.47±0.581mmHg, 2.47±0.581mmHg and 2.51±0.531mmHg, respectively. No significant differences were reported between age and IOP and no significant differences were reported between the time of day and IOP. The IOP in chinchillas did not differ significantly between genders or ages of the animals, and did not change with time of day.
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Dissertations / Theses on the topic "Rebound tonometri"

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Bergdahl, Emilia. "Jämförelse mellan rebound tonometri och non-contact tonometri." Thesis, Linnéuniversitetet, Institutionen för medicin och optometri (MEO), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-26309.

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Syfte:.Syftet med studien är att jämföra icare tonometri med NCT och se om de två metoderna får likvärdiga resultat. Studien ville även se vilken av metoderna som föredras av deltagarna. Metod: 85 personer deltog med medelålder 27 ± 9,2 år. Mätningarna utfördes på 82 av deltagarna i slumpmässig ordning på deras högerögon. I studien användes topcon CT-80A non-contact tonometer (topcon coroporation) och icare ® TA01i tonometer (icare Finland Oy). Resultat: Medelvärde för icare var 16,4 ± 3,9 mmHg. Medelvärdet för NCT var 15,6 ± 2,6 mmHg. Det var statistisk signifikant skillnad mellan metoderna (p = 0,001). Väldigt god positiv korrelation mellan icare och NCT (r = 0,85; y = 1,2905x - 3,7199). 91% av deltagarna föredrog icare framför NCT. Slutsats: Båda metoderna fungerar bra som screeningmetoder av IOP men icare har en tendens att ge högre värden än NCT. Icare tonometer var den metod som de flesta deltagarna föredrog. Det fanns en statistiskt signifikant skillnad mellan icare och NCT vilket tyder på att metoderna skiljer sig åt resultatmässigt.
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Reuter, Anne. "Evaluation des Rebound-Tonometers TonoVet für die Bestimmung des Augeninnendrucks bei Greifvögeln und Eulen." Berlin mbv, 2009. http://d-nb.info/1000280578/04.

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Moreno, Tatiana Martinez. "Pressão intraocular média obtida por três diferentes avaliadores utilizando os tonômetros de rebote e de aplanação em equinos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/143945.

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A mensuração da pressão intraocular (PIO) é essencial para o exame oftálmico, pois permite o diagnóstico de doenças oftálmicas como uveíte e glaucoma, além de auxiliar no monitoramento das cirurgias intraoculares. Objetivou-se comparar a tonometria de rebote com a tonometria de aplanação em equinos. Além disso, determinar a reprodutibilidade dos valores obtidos em ambos os aparelhos. A PIO foi aferida em 30 equinos da raça Crioula, machos ou fêmeas, com idade entre um e 16 anos utilizando o tonômetro de rebote (TonoVet®) e o tonômetro de aplanação (Tonopen Avia®). Previamente a aferição da PIO, todos os animais foram submetidos ao exame oftálmico incluindo, avaliação dos reflexos pupilares, teste da lágrima de Schirmer, prova da fluoresceína e biomicroscopia com lâmpada de fenda portátil. Foram utilizados apenas bulbos oculares hígidos. A análise estatística foi feita com ANOVA e teste t de Student. A reprodutibilidade foi avaliada pelo cálculo do coeficiente de correlação intraclasse (ICC). A média da PIO foi de 26,16 ± 5,13 mmHg utilizando o tonômetro de rebote e de 22,55 ±7,32 mmHg com o tonômetro de aplanação. A média da PIO de acordo com o avaliador utilizando o tonômetro de rebote foi de 25,27 ± 4,9 mmHg para o examinador A, 25,80 ± 5,2 mmHg para o examinador B e de 27,40 ± 5,1 mmHg para o examinador C. Com o tonômetro de aplanação as médias obtidas foram de 20,03 ± 4,5 mmHg com o examinador A, 19,67 ± 6,0 mmHg com o examinador B e de 27,97 ± 10,3 mmHg com o examinador C (p<2,3). O ICC foi de 0,18 para o tonômetro de aplanação e de 0,41 para o tonômeto de rebote. Os valores da pressão intraocular média obtidos com o tonômetro de rebote são superestimados quando comparados aos valores obtidos com o tonômetro de Tonopen Avia® em equinos saudáveis. Comparativamente ao Tonopen Avia® os valores obtidos com o Tonovet® demonstraram maior reprodutibilidade.<br>The measurement of intraocular pressure (IOP) is essential for the ophthalmic examination, as it allows the diagnosis of eye diseases such as uveitis and glaucoma, as well as aid in the monitoring of intraocular surgery. This study aimed to compare the mean intraocular pressure (IOP) values in horses obtained by three different examiners using the rebound and applanation tonometer’s. Each examiner measured the IOP of 30 “Crioulo” horses, males or females, aged one to 16 years old, using rebound tonometer and applanation tonometer. Previous to the experiment an ophthalmic examination was performed in horses. Only animals without alterations were selected. Three veterinarians measured IOP with rebound (Tonovet®) and applanation tonometer’s (TonoPen Avia®). Comparisons were made using ANOVA and student t test. Intraclass correlation coefficient (ICC) was calculated for reproducibility. IOP measurements resulted in mean values of 26.16 ± 5.13 mmHg for rebound tonometer and 22.55 ±7.32 mmHg for applanation tonometer. These values were different on statistical analysis. Rebound tonometer mean values, according with the examiner, were: A 25.27 ± 4.9 mmHg, B 25.80 ± 5.2, C 27.40 ± 5.1 mmHg. For applanation tonometer the mean IOP for examiner A (20.03 ± 4.5 mmHg), B (19.67 ± 6.0 mmHg), C (27.97 ± 10.3 mmHg). With the Tonopen Avia® tonometer examiner C measured higher IOP’s than examiners A and B. Intraclass correlation coefficient was 0.41 for rebound tonometer was 0.18 for applanation tonometer. It was observed that the values obtained with the Tonovet® were overestimated compared to Tonopen Avia® in healthy horses. When compared with Tonopen Avia® values obtained with the Tonovet® showed a higher reproducibility.
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Reuter, Anne [Verfasser]. "Evaluation des Rebound-Tonometers TonoVet® für die Bestimmung des Augeninnendrucks bei Greifvögeln und Eulen / Anne Reuter." Berlin : Freie Universität Berlin, 2010. http://d-nb.info/1024005658/34.

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Bacchin, Angela Beatriz de Oliveira. "Curva diária e valores da pressão intraocular obtidos com tonômetro de rebote em equinos hígidos da raça crioula (Equus caballus)." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/181313.

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A tonometria é de extrema importância durante o exame oftálmico, pois auxilia no diagnóstico e no acompanhamento do glaucoma e de inflamações intraoculares. No entanto, os valores da pressão intraocular podem sofrer influência do momento do dia em que o exame é realizado. Objetivou-se avaliar a pressão intraocular (PIO) com tonômetro de rebote em equinos hígidos da raça Crioula em diferentes horários do dia. Foram avaliados ambos os olhos de 25 cavalos da raça Crioula, machos ou fêmeas, subdivididos em três categorias de diferentes idades designadas por GI: nove animais (3-5 anos de idade), GII: oito animais (6-8 anos de idade) e GIII: oito animais (9-16 anos de idade). Previamente à tonometria foram realizados teste lacrimal de Schirmer, biomicroscopia com lâmpada de fenda, prova da fluoresceína e oftalmoscopia indireta em todos os equinos. Num mesmo dia foram realizadas sete aferições da PIO (às 6, 9, 12, 15, 18, 21 e 24 horas). A avaliação estatística utilizou o teste T de Student quando haviam dois grupos de comparações, e o teste de análise de variância (ANOVA) para as variáveis PIO, horário de aferição (tempo) e categoria de idade. O valor médio da pressão intraocular obtido foi de 28,4±3,7 mmHg considerando todos os animais avaliados. Os valores médios da pressão intraocular para os equinos de GI, GII e GIII foram 29,2±3,5 mmHg, 28,4±4,3 mmHg e 27,7±3,2 mmHg, respectivamente. Não houve diferença estatisticamente significativa entre os olhos direito e esquerdo (p= 0,257), nem entre sexos (p= 0,284). Quando comparadas as idades, a PIO média foi significativamente maior nos indivíduos jovens (p= 0,012). Não houve diferença estatisticamente significativa entre os diferentes horários do dia (p= 0,560). Os valores da PIO aferidos com o tonômetro de rebote em equinos da raça Crioula sofreram influência da idade. Os valores da pressão intraocular média obtidos com tonômetro de rebote em equinos hígidos não variaram em diferentes horários ao longo do dia.<br>The tonometry is extremely important during ophthalmic examination, because assists in the diagnosis and follow-up of glaucoma and intraocular inflammation. However, intraocular pressure values may be influenced by the moment of the day it is measured. The objective was to evaluate the intraocular pressure (IOP) with Rebound Tonometer in healthy horses of the Crioula breed at different times of the day. Twenty five horses, male or female, were divided into three groups by age: Group I: nine horses (3-5 years old), Group II: eight horses (6-8 years old), and Group III: eight horses (9-16 years old). Ophthalmic examination was performed previously by Schirmer Tear Test, slit lamp biomicroscopy, fluorescein test and indirect ophthalmoscopy in all horses. Seven measurements of intraocular pressure were assessed on the same day (at 6, 9, 12, 15, 18, 21 and 24 hours).The Student’s T Test statistical analysis was used when there was two groups of comparisons, and the Analysis of Variance (ANOVA) was used for variables IOP, measurement time and age category. The average value of intraocular pressure was 28.4 ± 3.7 mmHg considering all the animals evaluated. The mean intraocular pressure for groups I, II and III were 29.2 ± 3.5 mmHg, 28.4 ± 4.3 mmHg and 27.7 ± 3.2 mmHg, respectively. There was no statistically significant difference between right and left eyes (p = 0.257), nor between genders (p = 0.284). When compared to the ages, the average IOP was significantly higher in young animals (p = 0.012). There was no statistically significant result between the different times of the day (p = 0.560). The IOP values measured with rebound tonometer in Crioula horses were influenced by age. The average intraocular pressure values obtained with rebound tonometer in healthy horses did not change with time of day.
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"A comparison of intraocular pressure measurements using rebound tonometry (iCare® tonometer) and applanation tonometry (Goldmann tonometer) in a South African clinical setting." Thesis, 2015. http://hdl.handle.net/10210/14040.

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M.Phil. (Optometry)<br>The primary aim of this research was to investigate whether the Icare® rebound tonometer may be used in place of the Goldmann tonometer to obtain accurate and reliable intraocular pressure measurements on a sample of the general population seeking eye care, in a South African context. Due to the portability of the Icare®, lack of dependency on other instrumentation and power source, together with the ease of use with minimal training, and without the use of topical anaesthetic favourable results of the instrument may lead to its widespread use. This could aid in earlier diagnosis of glaucoma where intraocular pressure remains the only modifiable risk factor. In the South African context, where a high prevalence of undiagnosed primary open angle glaucoma has been found, access and accuracy of intraocular pressure measurement could save and extend functional vision in this country. Patients presenting at the Department of Optometry for routine eye examinations were selected utilizing convenience sampling. The right and left eyes of 113 patients were assessed using both the Icare® TA01i and the Goldman applanation tonometer by independent examiners for each method, all readings of intraocular pressure with the Goldman being taken by the same experienced examiner. The age of the patients ranged from 20 to 89 years with a mean age 50.29 ±20.97 years. Using the Oculus Pachycam® when it became available, central corneal thickness was obtained on 71 patients (142 eyes). Analysis of data using descriptive statistics from SPSS (Statistical Programs for the Social Sciences) was performed in addition to the Bland-Altman method of comparative analysis for sets of data of corrected and uncorrected measurements between the instruments...
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Lamprecht, Johann Streicher. "Rebound tonometry compared with goldmann applanation tonometry in patients with corneal pathology - a reliability study." Thesis, 2016. http://hdl.handle.net/10539/22553.

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A research report submitted to the Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, in partial fulfilment of the requirements for the degree of Master of Science in Medicine in the branch of Ophthalmology Johannesburg, November 2016<br>Purpose: To compare the reliability of rebound tonometry (RT) with that of Goldmann applanation tonometry (GAT) in patients with corneal scars. Methods: Three measurements were taken with each instrument. Instruments were compared by determining the differences between repeat measurements, by using a nonparametric ANOVA on repeat measurements and by calculating the coefficient of repeatability (CR). A control group with normal corneas were examined to establish baseline correlation, repeatability and observer proficiency. Results: 61 eyes of 48 patients were included in the group with scarred corneas. The CR of RT was 2.667. The CR of GAT was 4.819. RT was more reliable than GAT in patients with corneal scars. The correlation coefficient of RT with GAT was 0.8959. Conclusion: RT correlated well with GAT in both scarred and control subjects. RT was more reliable than GAT in patients with corneal scars. GAT was more reliable than RT in control patients.<br>MT2017
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Hohmann, Johanna [Verfasser]. "Vergleich des iCARE-rebound-Tonometers mit dem Goldmann-Applanationstonometer unter Berücksichtigung der zentralen Hornhautdicke in einem afrikanischen Entwicklungsland (Malawi) / vorgelegt von Johanna Hohmann." 2011. http://d-nb.info/1012643484/34.

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