SURGICAL METHOD FOR CORRECTING HYPERMETROPIC ASTIGMATISM ORS
FIELD: medicine. ^ SUBSTANCE: method involves changing cornea curvature and refraction force in opticalcornea center by applying laser in situ keratomilesis (Lasik). Central optical ablation diameter makes zones of 6.0 mm. Thermokeratoplasty is carried out on cornea periphery by contactless infrared...
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| creator | PASHTAEV NIKOLAJ PETROVICH KULIKOVA IRINA LEONIDOVNA |
| description | FIELD: medicine. ^ SUBSTANCE: method involves changing cornea curvature and refraction force in opticalcornea center by applying laser in situ keratomilesis (Lasik). Central optical ablation diameter makes zones of 6.0 mm. Thermokeratoplasty is carried out on cornea periphery by contactless infrared laser radiation action exerted upon the cornea on Yttrium-Erbium glass. Radiation parameters are wavelength of 1.54 mcm, pulse energy 150-165 mJ/cm2, pulse exposure time 0.5-1.0 ms, beam diameter of 20-300 mcm. Laser coagulates are arranged sector-by-sector in chess-board order in weak cornea axis with diameters from 9.0 to 10.5 mm behind the cornea cover formed in Lasik operation. Coagulates number varies from 2 to 4 in each sector row in internal row and from 1 to 2 in external row corresponding to astigmatism degree. The number of rows is 2 to 4. Distance between the neighboring laser coagulates is not less than one coagulate diameter. ^ EFFECT: improved safety conditions; reduced risk of traumatic complications; excluded repeated operations necessity. |
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Central optical ablation diameter makes zones of 6.0 mm. Thermokeratoplasty is carried out on cornea periphery by contactless infrared laser radiation action exerted upon the cornea on Yttrium-Erbium glass. Radiation parameters are wavelength of 1.54 mcm, pulse energy 150-165 mJ/cm2, pulse exposure time 0.5-1.0 ms, beam diameter of 20-300 mcm. Laser coagulates are arranged sector-by-sector in chess-board order in weak cornea axis with diameters from 9.0 to 10.5 mm behind the cornea cover formed in Lasik operation. Coagulates number varies from 2 to 4 in each sector row in internal row and from 1 to 2 in external row corresponding to astigmatism degree. The number of rows is 2 to 4. 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STENTS ; FILTERS IMPLANTABLE INTO BLOOD VESSELS ; FIRST-AID KITS ; FOMENTATION ; HUMAN NECESSITIES ; HYGIENE ; MEDICAL OR VETERINARY SCIENCE ; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES ; PROSTHESES ; TREATMENT OR PROTECTION OF EYES OR EARS</subject><creationdate>2007</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070110&DB=EPODOC&CC=RU&NR=2290906C1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070110&DB=EPODOC&CC=RU&NR=2290906C1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PASHTAEV NIKOLAJ PETROVICH</creatorcontrib><creatorcontrib>KULIKOVA IRINA LEONIDOVNA</creatorcontrib><title>SURGICAL METHOD FOR CORRECTING HYPERMETROPIC ASTIGMATISM ORS</title><description>FIELD: medicine. ^ SUBSTANCE: method involves changing cornea curvature and refraction force in opticalcornea center by applying laser in situ keratomilesis (Lasik). 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STENTS</subject><subject>FILTERS IMPLANTABLE INTO BLOOD VESSELS</subject><subject>FIRST-AID KITS</subject><subject>FOMENTATION</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</subject><subject>PROSTHESES</subject><subject>TREATMENT OR PROTECTION OF EYES OR EARS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2007</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAJDg1y93R29FHwdQ3x8HdRcPMPUnD2DwpydQ7x9HNX8IgMcA0CSgX5B3g6KzgGh3i6-zqGeAb7KvgHBfMwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUkvigUCMjSwNLAzNnQ2MilAAA55Ypvw</recordid><startdate>20070110</startdate><enddate>20070110</enddate><creator>PASHTAEV NIKOLAJ PETROVICH</creator><creator>KULIKOVA IRINA LEONIDOVNA</creator><scope>EVB</scope></search><sort><creationdate>20070110</creationdate><title>SURGICAL METHOD FOR CORRECTING HYPERMETROPIC ASTIGMATISM ORS</title><author>PASHTAEV NIKOLAJ PETROVICH ; KULIKOVA IRINA LEONIDOVNA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_RU2290906C13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; rus</language><creationdate>2007</creationdate><topic>BANDAGES, DRESSINGS OR ABSORBENT PADS</topic><topic>DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS</topic><topic>FILTERS IMPLANTABLE INTO BLOOD VESSELS</topic><topic>FIRST-AID KITS</topic><topic>FOMENTATION</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</topic><topic>PROSTHESES</topic><topic>TREATMENT OR PROTECTION OF EYES OR EARS</topic><toplevel>online_resources</toplevel><creatorcontrib>PASHTAEV NIKOLAJ PETROVICH</creatorcontrib><creatorcontrib>KULIKOVA IRINA LEONIDOVNA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PASHTAEV NIKOLAJ PETROVICH</au><au>KULIKOVA IRINA LEONIDOVNA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SURGICAL METHOD FOR CORRECTING HYPERMETROPIC ASTIGMATISM ORS</title><date>2007-01-10</date><risdate>2007</risdate><abstract>FIELD: medicine. ^ SUBSTANCE: method involves changing cornea curvature and refraction force in opticalcornea center by applying laser in situ keratomilesis (Lasik). Central optical ablation diameter makes zones of 6.0 mm. Thermokeratoplasty is carried out on cornea periphery by contactless infrared laser radiation action exerted upon the cornea on Yttrium-Erbium glass. Radiation parameters are wavelength of 1.54 mcm, pulse energy 150-165 mJ/cm2, pulse exposure time 0.5-1.0 ms, beam diameter of 20-300 mcm. Laser coagulates are arranged sector-by-sector in chess-board order in weak cornea axis with diameters from 9.0 to 10.5 mm behind the cornea cover formed in Lasik operation. Coagulates number varies from 2 to 4 in each sector row in internal row and from 1 to 2 in external row corresponding to astigmatism degree. The number of rows is 2 to 4. Distance between the neighboring laser coagulates is not less than one coagulate diameter. ^ EFFECT: improved safety conditions; reduced risk of traumatic complications; excluded repeated operations necessity.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS |
| title | SURGICAL METHOD FOR CORRECTING HYPERMETROPIC ASTIGMATISM ORS |
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