Drop-Ball Impact Resistance of Ophthalmic Lenses--Comparison of Tint, Material, Treatment Process, and Drilling
Over 4,000 finished ophthalmic lenses were subjected to multiple drop-ball testing. Lenses varied in material, thickness, prescription, and tint. Lenses with drilled holes for rimless mounting generally were less impact-resistant. Hardened tinted-glass lenses and CR-39 lenses showed less impact effe...
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| creator | Provines,Wayne F Miller,J W Blevins,R H Fischer,Joseph R , Jr Tredici,Thomas J |
| description | Over 4,000 finished ophthalmic lenses were subjected to multiple drop-ball testing. Lenses varied in material, thickness, prescription, and tint. Lenses with drilled holes for rimless mounting generally were less impact-resistant. Hardened tinted-glass lenses and CR-39 lenses showed less impact effects due to drilling than similar clear-glass lenses. The chemicals added to glass for tinting apparently increased impact-resistance properties. (Author) |
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Lenses varied in material, thickness, prescription, and tint. Lenses with drilled holes for rimless mounting generally were less impact-resistant. Hardened tinted-glass lenses and CR-39 lenses showed less impact effects due to drilling than similar clear-glass lenses. The chemicals added to glass for tinting apparently increased impact-resistance properties. (Author)</description><language>eng</language><subject>Ceramics, Refractories and Glass ; Drop ball tests ; Impact tests ; Lenses ; Medical Facilities, Equipment and Supplies ; Ophthalmic lenses ; Optical lenses ; PE62202F ; Resistance ; WUSAM77551903</subject><creationdate>1982</creationdate><rights>APPROVED FOR PUBLIC RELEASE</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/ADA116122$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Provines,Wayne F</creatorcontrib><creatorcontrib>Miller,J W</creatorcontrib><creatorcontrib>Blevins,R H</creatorcontrib><creatorcontrib>Fischer,Joseph R , Jr</creatorcontrib><creatorcontrib>Tredici,Thomas J</creatorcontrib><creatorcontrib>SCHOOL OF AEROSPACE MEDICINE BROOKS AFB TX</creatorcontrib><title>Drop-Ball Impact Resistance of Ophthalmic Lenses--Comparison of Tint, Material, Treatment Process, and Drilling</title><description>Over 4,000 finished ophthalmic lenses were subjected to multiple drop-ball testing. Lenses varied in material, thickness, prescription, and tint. Lenses with drilled holes for rimless mounting generally were less impact-resistant. Hardened tinted-glass lenses and CR-39 lenses showed less impact effects due to drilling than similar clear-glass lenses. The chemicals added to glass for tinting apparently increased impact-resistance properties. (Author)</description><subject>Ceramics, Refractories and Glass</subject><subject>Drop ball tests</subject><subject>Impact tests</subject><subject>Lenses</subject><subject>Medical Facilities, Equipment and Supplies</subject><subject>Ophthalmic lenses</subject><subject>Optical lenses</subject><subject>PE62202F</subject><subject>Resistance</subject><subject>WUSAM77551903</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1982</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNqFyrEKwkAMgOEuDqK-gUMeoDe0gnttFQVFke4lXFMbuObKJe-PCu5O__B_yyw2Kc7ugCHAZZrRGzxJWQ3FE8QB7vNoI4aJPVxJlNS5On5gYo3yBS2L5XBDo8QYcmgToU0kBo8UPanmgNJDkzgEltc6WwwYlDa_rrLt6djWZ9cb-06Nhayrmqoo9kVZ7v7sN5pFPnc</recordid><startdate>198205</startdate><enddate>198205</enddate><creator>Provines,Wayne F</creator><creator>Miller,J W</creator><creator>Blevins,R H</creator><creator>Fischer,Joseph R , Jr</creator><creator>Tredici,Thomas J</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>198205</creationdate><title>Drop-Ball Impact Resistance of Ophthalmic Lenses--Comparison of Tint, Material, Treatment Process, and Drilling</title><author>Provines,Wayne F ; Miller,J W ; Blevins,R H ; Fischer,Joseph R , Jr ; Tredici,Thomas J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_ADA1161223</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1982</creationdate><topic>Ceramics, Refractories and Glass</topic><topic>Drop ball tests</topic><topic>Impact tests</topic><topic>Lenses</topic><topic>Medical Facilities, Equipment and Supplies</topic><topic>Ophthalmic lenses</topic><topic>Optical lenses</topic><topic>PE62202F</topic><topic>Resistance</topic><topic>WUSAM77551903</topic><toplevel>online_resources</toplevel><creatorcontrib>Provines,Wayne F</creatorcontrib><creatorcontrib>Miller,J W</creatorcontrib><creatorcontrib>Blevins,R H</creatorcontrib><creatorcontrib>Fischer,Joseph R , Jr</creatorcontrib><creatorcontrib>Tredici,Thomas J</creatorcontrib><creatorcontrib>SCHOOL OF AEROSPACE MEDICINE BROOKS AFB TX</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Provines,Wayne F</au><au>Miller,J W</au><au>Blevins,R H</au><au>Fischer,Joseph R , Jr</au><au>Tredici,Thomas J</au><aucorp>SCHOOL OF AEROSPACE MEDICINE BROOKS AFB TX</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>Drop-Ball Impact Resistance of Ophthalmic Lenses--Comparison of Tint, Material, Treatment Process, and Drilling</btitle><date>1982-05</date><risdate>1982</risdate><abstract>Over 4,000 finished ophthalmic lenses were subjected to multiple drop-ball testing. Lenses varied in material, thickness, prescription, and tint. Lenses with drilled holes for rimless mounting generally were less impact-resistant. Hardened tinted-glass lenses and CR-39 lenses showed less impact effects due to drilling than similar clear-glass lenses. The chemicals added to glass for tinting apparently increased impact-resistance properties. (Author)</abstract><oa>free_for_read</oa></addata></record> |
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| source | DTIC Technical Reports |
| subjects | Ceramics, Refractories and Glass Drop ball tests Impact tests Lenses Medical Facilities, Equipment and Supplies Ophthalmic lenses Optical lenses PE62202F Resistance WUSAM77551903 |
| title | Drop-Ball Impact Resistance of Ophthalmic Lenses--Comparison of Tint, Material, Treatment Process, and Drilling |
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