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Twenty-four-hour measurement of IOP in rabbits using rebound tonometer.
MedLine Citation:
PMID:  23279703     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: To observe the Intraocular pressure (IOP) measurements over a 24-h period in New Zealand white rabbits. METHODS: Thirty-four normal New Zealand white rabbits (68 eyes) were included in this study. The IOP values were determined with a rebound tonometer (RBT, Icare VET). Measurements were always obtained in the right eye first. RESULTS: The data showed that there was no significant difference in IOP between measurements, which indicated that the RBT showed good repeatability in this study (P = 0.920). There was no statistically significant difference between genders (P = 0.943). The IOP in right eyes was a little higher than left eyes (F = 45.96, P < 0.001). Comparison of the true IOP and RBT results over the entire pressure range (8-100 mmHg) revealed a statistically significant difference between them (P < 0.001). The mean difference between the RBT and true IOP (RBT-True IOP) was -22.65 ± 9.52 mmHg with 95% confidence interval (-27.1, -18.2 mmHg). In the light period (7 AM to 7 PM), the IOP was a little lower than during the dark period (8 PM to 6 AM); 9 AM and 2 PM were the lowest measurements (10 mmHg, 9.625 mmHg), and 10 AM (14.125 mmHg)was the highest measurement during the 24-h period. CONCLUSIONS: The IOP obtained by RBT underestimated the true IOP but the RBT had a good repeatability in IOP measurements. In the light period (7 AM to 7 PM), the IOP was a little lower than during the dark period (8 PM to 6 AM), which may be beneficial to the intervention therapy observation of glaucoma research in rabbits.
Authors:
Xiaogang Wang; Jing Dong; Qiang Wu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-1
Journal Detail:
Title:  Veterinary ophthalmology     Volume:  -     ISSN:  1463-5224     ISO Abbreviation:  Vet Ophthalmol     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100887377     Medline TA:  Vet Ophthalmol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 American College of Veterinary Ophthalmologists.
Affiliation:
Department of Ophthalmology, Affiliated Sixth People's Hospital Shanghai Jiao Tong University, Shanghai, China.
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