Threshold Lesion Temperatures in Laser-Irradiated Rabbit Eyes

The purpose of this research was to measure threshold temperatures corresponding to the formation of minimum ophthalmoscopically visible lesions induced in rabbit fundi by a ten-second exposure from an argon C. W. laser (4880A). The posterior pole of the eye was surgically exposed and a specially de...

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Hauptverfasser:	Polhamus, G D, Welch, A J
Format:	Report
Sprache:	eng
Schlagworte:	EYE LABORATORY ANIMALS LASER RADIOBIOLOGY OPHTHALMOLOGY RABBITS RADIATION EFFECTS RADIATION INJURIES Radiobiology RETINA TEMPERATURE THRESHOLDS(PHYSIOLOGY)
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creator	Polhamus, G D Welch, A J
description	The purpose of this research was to measure threshold temperatures corresponding to the formation of minimum ophthalmoscopically visible lesions induced in rabbit fundi by a ten-second exposure from an argon C. W. laser (4880A). The posterior pole of the eye was surgically exposed and a specially designed microthermocouple with a 20-micron diameter tip was inserted into the ocular fundus to measure temperature rises. The mean threshold temperature for 30 measurements in 13 rabbits was 54C. System error was estimated at 5% of temperature rise, or slightly less than 1C.
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W. laser (4880A). The posterior pole of the eye was surgically exposed and a specially designed microthermocouple with a 20-micron diameter tip was inserted into the ocular fundus to measure temperature rises. The mean threshold temperature for 30 measurements in 13 rabbits was 54C. System error was estimated at 5% of temperature rise, or slightly less than 1C.</description><language>eng</language><subject>EYE ; LABORATORY ANIMALS ; LASER RADIOBIOLOGY ; OPHTHALMOLOGY ; RABBITS ; RADIATION EFFECTS ; RADIATION INJURIES ; Radiobiology ; RETINA ; TEMPERATURE ; THRESHOLDS(PHYSIOLOGY)</subject><creationdate>1975</creationdate><rights>Approved for public release; distribution is unlimited.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,776,881,27544,27545</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/ADA015943$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Polhamus, G D</creatorcontrib><creatorcontrib>Welch, A J</creatorcontrib><creatorcontrib>TEXAS UNIV AT AUSTIN ELECTRONICS RESEARCH CENTER</creatorcontrib><title>Threshold Lesion Temperatures in Laser-Irradiated Rabbit Eyes</title><description>The purpose of this research was to measure threshold temperatures corresponding to the formation of minimum ophthalmoscopically visible lesions induced in rabbit fundi by a ten-second exposure from an argon C. W. laser (4880A). The posterior pole of the eye was surgically exposed and a specially designed microthermocouple with a 20-micron diameter tip was inserted into the ocular fundus to measure temperature rises. The mean threshold temperature for 30 measurements in 13 rabbits was 54C. System error was estimated at 5% of temperature rise, or slightly less than 1C.</description><subject>EYE</subject><subject>LABORATORY ANIMALS</subject><subject>LASER RADIOBIOLOGY</subject><subject>OPHTHALMOLOGY</subject><subject>RABBITS</subject><subject>RADIATION EFFECTS</subject><subject>RADIATION INJURIES</subject><subject>Radiobiology</subject><subject>RETINA</subject><subject>TEMPERATURE</subject><subject>THRESHOLDS(PHYSIOLOGY)</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1975</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNrjZLANyShKLc7Iz0lR8EktzszPUwhJzS1ILUosKQWKK2TmKfgkFqcW6XoWFSWmZCaWpKYoBCUmJWWWKLhWphbzMLCmJeYUp_JCaW4GGTfXEGcP3ZSSzOT44pLMvNSSeEcXRwNDU0sTY2MC0gArAC0C</recordid><startdate>19750331</startdate><enddate>19750331</enddate><creator>Polhamus, G D</creator><creator>Welch, A J</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>19750331</creationdate><title>Threshold Lesion Temperatures in Laser-Irradiated Rabbit Eyes</title><author>Polhamus, G D ; Welch, A J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_ADA0159433</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1975</creationdate><topic>EYE</topic><topic>LABORATORY ANIMALS</topic><topic>LASER RADIOBIOLOGY</topic><topic>OPHTHALMOLOGY</topic><topic>RABBITS</topic><topic>RADIATION EFFECTS</topic><topic>RADIATION INJURIES</topic><topic>Radiobiology</topic><topic>RETINA</topic><topic>TEMPERATURE</topic><topic>THRESHOLDS(PHYSIOLOGY)</topic><toplevel>online_resources</toplevel><creatorcontrib>Polhamus, G D</creatorcontrib><creatorcontrib>Welch, A J</creatorcontrib><creatorcontrib>TEXAS UNIV AT AUSTIN ELECTRONICS RESEARCH CENTER</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Polhamus, G D</au><au>Welch, A J</au><aucorp>TEXAS UNIV AT AUSTIN ELECTRONICS RESEARCH CENTER</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>Threshold Lesion Temperatures in Laser-Irradiated Rabbit Eyes</btitle><date>1975-03-31</date><risdate>1975</risdate><abstract>The purpose of this research was to measure threshold temperatures corresponding to the formation of minimum ophthalmoscopically visible lesions induced in rabbit fundi by a ten-second exposure from an argon C. W. laser (4880A). The posterior pole of the eye was surgically exposed and a specially designed microthermocouple with a 20-micron diameter tip was inserted into the ocular fundus to measure temperature rises. The mean threshold temperature for 30 measurements in 13 rabbits was 54C. System error was estimated at 5% of temperature rise, or slightly less than 1C.</abstract><oa>free_for_read</oa></addata></record>
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subjects	EYE LABORATORY ANIMALS LASER RADIOBIOLOGY OPHTHALMOLOGY RABBITS RADIATION EFFECTS RADIATION INJURIES Radiobiology RETINA TEMPERATURE THRESHOLDS(PHYSIOLOGY)
title	Threshold Lesion Temperatures in Laser-Irradiated Rabbit Eyes
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