Flicker electroretinograms and visual evoked potentials in the evaluation of laser flash effects
Electroretinograms (ERG's) and visual evoked potentials (VEP's) were recorded from four cynomolgus monkeys in response to a sinusoidally flickering argon laser beam (514 nm) producing a 50-micron spot on the fovea. Super-position of a 20-Hz train of six pulses of Q-switched (120 ns) freque...
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| Veröffentlicht in: | American journal of optometry and physiological optics 1985, Vol.62 (1), p.35-39 |
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| container_title | American journal of optometry and physiological optics |
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| creator | SCHMEISSER, E. T |
| description | Electroretinograms (ERG's) and visual evoked potentials (VEP's) were recorded from four cynomolgus monkeys in response to a sinusoidally flickering argon laser beam (514 nm) producing a 50-micron spot on the fovea. Super-position of a 20-Hz train of six pulses of Q-switched (120 ns) frequency-doubled neodymium laser light (532 nm) at "safe" exposure energies in 250 ms had no significant effects on the ERG (p greater than 0.05). The VEP was disrupted significantly (p less than 0.001) but demonstrated recovery within 500 ms of the initial pulse. Therefore, flash effects of pulsed visible lasers at these doses on suprathreshold luminance processing are probably limited only to the exposure period. |
| format | Article |
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T</creator><creatorcontrib>SCHMEISSER, E. T</creatorcontrib><description>Electroretinograms (ERG's) and visual evoked potentials (VEP's) were recorded from four cynomolgus monkeys in response to a sinusoidally flickering argon laser beam (514 nm) producing a 50-micron spot on the fovea. Super-position of a 20-Hz train of six pulses of Q-switched (120 ns) frequency-doubled neodymium laser light (532 nm) at "safe" exposure energies in 250 ms had no significant effects on the ERG (p greater than 0.05). The VEP was disrupted significantly (p less than 0.001) but demonstrated recovery within 500 ms of the initial pulse. Therefore, flash effects of pulsed visible lasers at these doses on suprathreshold luminance processing are probably limited only to the exposure period.</description><identifier>ISSN: 0093-7002</identifier><identifier>EISSN: 2330-9512</identifier><identifier>PMID: 3976833</identifier><identifier>CODEN: AOPOCF</identifier><language>eng</language><publisher>Baltimore, MD: Williams & Wilkins</publisher><subject>Animals ; Biological and medical sciences ; Electrodiagnosis. Electric activity recording ; Electrooculography. Electroretinography ; Electroretinography ; Evoked Potentials, Visual ; Investigative techniques, diagnostic techniques (general aspects) ; Lasers ; Macaca fascicularis ; Medical sciences ; Retina - physiology ; Retina - radiation effects</subject><ispartof>American journal of optometry and physiological optics, 1985, Vol.62 (1), p.35-39</ispartof><rights>1985 INIST-CNRS</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4023</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=9156057$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/3976833$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>SCHMEISSER, E. T</creatorcontrib><title>Flicker electroretinograms and visual evoked potentials in the evaluation of laser flash effects</title><title>American journal of optometry and physiological optics</title><addtitle>Am J Optom Physiol Opt</addtitle><description>Electroretinograms (ERG's) and visual evoked potentials (VEP's) were recorded from four cynomolgus monkeys in response to a sinusoidally flickering argon laser beam (514 nm) producing a 50-micron spot on the fovea. Super-position of a 20-Hz train of six pulses of Q-switched (120 ns) frequency-doubled neodymium laser light (532 nm) at "safe" exposure energies in 250 ms had no significant effects on the ERG (p greater than 0.05). The VEP was disrupted significantly (p less than 0.001) but demonstrated recovery within 500 ms of the initial pulse. Therefore, flash effects of pulsed visible lasers at these doses on suprathreshold luminance processing are probably limited only to the exposure period.</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Electrodiagnosis. Electric activity recording</subject><subject>Electrooculography. Electroretinography</subject><subject>Electroretinography</subject><subject>Evoked Potentials, Visual</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Lasers</subject><subject>Macaca fascicularis</subject><subject>Medical sciences</subject><subject>Retina - physiology</subject><subject>Retina - radiation effects</subject><issn>0093-7002</issn><issn>2330-9512</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1985</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kEtLxDAURoMo4zj6E4QsxF0h7c1jspTBUUFwo-t629w4cdKHTTvgv7fi4OpbnMNZfCdsWQCIzKq8OGVLISxkRojinF2k9CmEUiDsgi3AGr0GWLL3bQz1ngZOkepx6AYaQ9t9DNgkjq3jh5AmjJwO3Z4c77uR2jFgTDy0fNzRDDBOOIau5Z3nEdOc8vPsOHk_F9MlO_OzT1fHXbG37f3r5jF7fnl42tw9Z32uzZh50AoJPBQ5SAHrtXO1LFAbjzlUtQKJApx06K2XhSZrAJSU1lOlK0cCVuz2r9sP3ddEaSybkGqKEVvqplQaLQotza94fRSnqiFX9kNocPguj5fM_ObIMdUY_YBtHdK_ZnOlhTLwA2DPbEk</recordid><startdate>1985</startdate><enddate>1985</enddate><creator>SCHMEISSER, E. T</creator><general>Williams & Wilkins</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>1985</creationdate><title>Flicker electroretinograms and visual evoked potentials in the evaluation of laser flash effects</title><author>SCHMEISSER, E. T</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p167t-f365ae3f321340388ddc42a67fa13bc534a03d4daf9f426e97335449feb6bde03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1985</creationdate><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Electrodiagnosis. Electric activity recording</topic><topic>Electrooculography. Electroretinography</topic><topic>Electroretinography</topic><topic>Evoked Potentials, Visual</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Lasers</topic><topic>Macaca fascicularis</topic><topic>Medical sciences</topic><topic>Retina - physiology</topic><topic>Retina - radiation effects</topic><toplevel>online_resources</toplevel><creatorcontrib>SCHMEISSER, E. T</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>American journal of optometry and physiological optics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>SCHMEISSER, E. T</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Flicker electroretinograms and visual evoked potentials in the evaluation of laser flash effects</atitle><jtitle>American journal of optometry and physiological optics</jtitle><addtitle>Am J Optom Physiol Opt</addtitle><date>1985</date><risdate>1985</risdate><volume>62</volume><issue>1</issue><spage>35</spage><epage>39</epage><pages>35-39</pages><issn>0093-7002</issn><eissn>2330-9512</eissn><coden>AOPOCF</coden><abstract>Electroretinograms (ERG's) and visual evoked potentials (VEP's) were recorded from four cynomolgus monkeys in response to a sinusoidally flickering argon laser beam (514 nm) producing a 50-micron spot on the fovea. Super-position of a 20-Hz train of six pulses of Q-switched (120 ns) frequency-doubled neodymium laser light (532 nm) at "safe" exposure energies in 250 ms had no significant effects on the ERG (p greater than 0.05). The VEP was disrupted significantly (p less than 0.001) but demonstrated recovery within 500 ms of the initial pulse. Therefore, flash effects of pulsed visible lasers at these doses on suprathreshold luminance processing are probably limited only to the exposure period.</abstract><cop>Baltimore, MD</cop><pub>Williams & Wilkins</pub><pmid>3976833</pmid><tpages>5</tpages></addata></record> |
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| ispartof | American journal of optometry and physiological optics, 1985, Vol.62 (1), p.35-39 |
| issn | 0093-7002 2330-9512 |
| language | eng |
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| source | MEDLINE; Journals@Ovid Complete |
| subjects | Animals Biological and medical sciences Electrodiagnosis. Electric activity recording Electrooculography. Electroretinography Electroretinography Evoked Potentials, Visual Investigative techniques, diagnostic techniques (general aspects) Lasers Macaca fascicularis Medical sciences Retina - physiology Retina - radiation effects |
| title | Flicker electroretinograms and visual evoked potentials in the evaluation of laser flash effects |
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