We investigated physicochemical changes in the vitreous body after photodisruption with a Q-switched neodymium-YAG laser. In vivo proton nuclear magnetic resonance imaging techniques were employed to assess alterations in the vitreous of irradiated rabbit eyes. Measurements of proton relaxation times (T1 and T2), viscosity, and chromatographic spectra were made in vitro on irradiated bovine and rabbit vitreous, and circular dichroism measurements were used to study changes in an irradiated sodium hyaluronate solution. Statistically significant changes in T1, were observed immediately after irradiation, but the small magnitude and reversibility of those changes, combined with the fact that the other measurements detected no changes, suggest that neodymium-YAG laser photodisruption does not have a direct deleterious effect on the structural integrity of the normal vitreous body

Krauss, J., Puliafito, C., Miglior, S., Steinert, R., Cheng, H. (1986). Vitreous changes after neodymium-YAG laser photodisruption. ARCHIVES OF OPHTHALMOLOGY, 104(4), 592-597 [10.1001/archopht.1986.01050160148031].

Vitreous changes after neodymium-YAG laser photodisruption

MIGLIOR, STEFANO;
1986

Abstract

We investigated physicochemical changes in the vitreous body after photodisruption with a Q-switched neodymium-YAG laser. In vivo proton nuclear magnetic resonance imaging techniques were employed to assess alterations in the vitreous of irradiated rabbit eyes. Measurements of proton relaxation times (T1 and T2), viscosity, and chromatographic spectra were made in vitro on irradiated bovine and rabbit vitreous, and circular dichroism measurements were used to study changes in an irradiated sodium hyaluronate solution. Statistically significant changes in T1, were observed immediately after irradiation, but the small magnitude and reversibility of those changes, combined with the fact that the other measurements detected no changes, suggest that neodymium-YAG laser photodisruption does not have a direct deleterious effect on the structural integrity of the normal vitreous body
Articolo in rivista - Articolo scientifico
Animals; Cattle; Chromatography, High Pressure Liquid; Circular Dichroism; In Vitro Techniques; Laser Therapy; Lasers; Light Coagulation; Magnetic Resonance Spectroscopy; Rabbits; Viscosity; Vitreous Body
English
1986
104
4
592
597
none
Krauss, J., Puliafito, C., Miglior, S., Steinert, R., Cheng, H. (1986). Vitreous changes after neodymium-YAG laser photodisruption. ARCHIVES OF OPHTHALMOLOGY, 104(4), 592-597 [10.1001/archopht.1986.01050160148031].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/104155
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