Quantitative thermographic analysis of viscoelastic substances in an experimental study in rabbits

Journal of Cataract and Refractive Surgery
Piotr JurowskiGrzegorz Gralewicz

Abstract

To measure the temperature parameters on the corneal surface during the delivery of standardized ultrasound energy assisted with ophthalmic viscosurgical devices (OVDs) or different temperatures of irrigating solutions in an experimental animal model. Department of Ophthalmology and Visual Rehabilitation, Medical University of Lodz, and Central Institute for Labor Protection, National Research Institute, Warsaw, Poland. Thirty rabbits (60 eyes) were randomly divided into 6 groups in which different OVD or balanced salt solutions (BSS) were used: group 1: Viscoat (sodium hyaluronate 3%-chondroitin sulfate); group 2: Provisc (sodium hyaluronate 1%); group 3: soft-shell technique; group 4: Celoftal (hydroxypropyl methylcellulose 2%); group 5: BSS 22 degrees C; and group 6: BSS 4 degrees C. After the nucleus and lens cortex were removed, the anterior chamber was filled with OVD or BSS and a phaco tip was introduced into the pupillary plane and switched on. The same phaco tip parameters were used in all groups. For thermographic measurements (ie, maximal temperature [MT], dynamic rise in temperature [DRT], and time when the maximal level of temperature [TMLT] was achieved), a thermocamera was used. Mean preoperative temperature on t...Continue Reading

References

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Citations

Dec 20, 2007·Current Opinion in Ophthalmology·Hiroko Bissen-Miyajima
Mar 26, 2008·Journal of Cataract and Refractive Surgery·S R Kaid JoharGeeta Vemuganti
Jul 15, 2009·Clinical & Experimental Ophthalmology·Carolee M Cutler PeckRandall J Olson
Sep 24, 2011·Journal of Cataract and Refractive Surgery·Amir FaramarziMehdi Yaseri

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