{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T21:07:44Z","timestamp":1784063264995,"version":"3.55.0"},"reference-count":23,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2007,10,1]],"date-time":"2007-10-01T00:00:00Z","timestamp":1191196800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Acta Ophthalmologica Scandinavica"],"published-print":{"date-parts":[[2007,11]]},"abstract":"<jats:title>Abstract.<\/jats:title><jats:p><jats:bold>Purpose:\u2002<\/jats:bold> To determine the impact of anaesthesia on acute transient cataractogenesis and ultraviolet radiation (UVR)\u2010induced cataractogenesis.<\/jats:p><jats:p><jats:bold>Methods:\u2002<\/jats:bold> Sprague\u2010Dawley rats were anaesthetized with pentobarbital, which caused almost full eyelid closure, or xylazine\/ketamine, which caused eyelid retraction and proptosis. The eyelids of one eye were kept open with either a suture or adhesive tape, or both. The other eye was kept closed with either a suture or tape. Cataract was graded clinically and quantified <jats:italic>in vitro<\/jats:italic> as intensity of forward light scattering. In two UVR experiments, anaesthetized rats were irradiated unilaterally with 5\u2003kJ\/m<jats:sup>2<\/jats:sup> UVR\u2010B 300\u2003nm for 15\u2003mins. The difference between the two UVR experiments was the degree of proptosis in the pentobarbital group. Corneal drying was judged clinically with a grading scale.<\/jats:p><jats:p><jats:bold>Results:\u2002<\/jats:bold> Within 60\u2003mins of anaesthesia induction in the first experiment, almost all lenses in open eyes developed cataract, whereas all lenses in closed eyes remained clear. In the first UVR experiment the lens light scattering was significantly higher in the xylazine\/ketamine group. In the second UVR experiment the pentobarbital group was treated to achieve proptosis similar to that in the xylazine\/ketamine group, which led to a smaller difference in lens light scattering between the two anaesthesia groups. Lens light scattering in the pentobarbital groups was significantly higher with forced proptosis than without prominent proptosis.<\/jats:p><jats:p><jats:bold>Conclusions:\u2002<\/jats:bold> Xylazine\/ketamine anaesthesia facilitates the development of UVR\u2010induced cataract, whereas pentobarbital anaesthesia does not. Xylazine\/ketamine anaesthesia induces more proptosis and therefore leads to increased exposure of the cornea and, secondarily, the lens.<\/jats:p>","DOI":"10.1111\/j.1600-0420.2006.00856.x","type":"journal-article","created":{"date-parts":[[2007,10,3]],"date-time":"2007-10-03T07:33:37Z","timestamp":1191396817000},"page":"745-752","source":"Crossref","is-referenced-by-count":10,"title":["Interaction of anaesthetic drugs and UV\u2010B irradiation in the anterior segment of the rat eye"],"prefix":"10.1111","volume":"85","author":[{"given":"Fengju","family":"Zhang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefan","family":"L\u00f6fgren","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Per G.","family":"S\u00f6derberg","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2007,10,18]]},"reference":[{"key":"e_1_2_6_2_1","unstructured":"AyalaM(2005):Influence of Exposure Patterns and Oxidation in UVR\u2010induced Cataract.Thesis Karolinska Institute. 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