1、Designation:F281212(Reapproved 2018)An American National StandardStandard Specification forGoggle-and Spectacle-Type Eye Protectors for SelectedMotor Sports1This standard is issued under the fixed designation F2812;the number immediately following the designation indicates the year oforiginal adopti
2、on or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers eye protectors,exclusive ofhelmet-mounted visors,design
3、ed for use by riders ofmotorcycles,mopeds,and snowmobiles for off road use thatminimize or significantly reduce injury to the eye and adnexaas a result of impact and penetration by objects that may bekicked up from the road,track,trail,or snow surfaces andmade airborne and,as such,likely to cause ey
4、e discomfort orinjury.This specification does not address shield-type eyeprotectors such as are connected to,integral to,and/or sup-ported by protective helmets.Protective eyewear offers protec-tion only to the eyes and does not protect other parts of thehead,face,or neck.1.2 Protectors are divided
5、into two types,goggles orspectacles,depending on their design characteristics.1.3 This specification does not apply to prescription eye-wear.(WarningImpact-resistant prescription spectacles thatconform to the standard specifications of ANSI Z87.1 shouldbe used if spectacles are to be worn under gogg
6、le-type eyewearas covered by this specification.)1.4 In this specification,the use of the word“shall”indi-cates a mandatory requirement.The word“should”indicates arecommendation.1.5 UnitsThe values stated in SI units are to be regardedas the standard.The values given in parentheses are forinformatio
7、n only.Metric units of measure in this specificationare in accordance with the International System of Units(SI).If a value for measurement as given in this specification isfollowed by an equivalent value in other units,the first statedis to be regarded as the requirement.A given equivalent valuemay
8、 be approximate.1.6 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations p
9、rior to use.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization Technical
10、Barriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1003 Test Method for Haze and Luminous Transmittanceof Transparent Plastics2.2 ANSI Standards:3ANSI Z80.3 OphthalmicsNonprescription Sunglasses andFashion EyewearRequirementsANSI Z87.1 Occupational and Educational Eye and Fac
11、eProtection Devices2.3 CEN Standard:4EN 168 Personal Eye ProtectionNon-Optical Test Meth-ods3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 astigmatism,ncondition in a lens that creates twoaxially separated line foci of each object point,the lines beingmutually perpendicular.3.
12、1.1.1 DiscussionIn other words,the lens has two differ-ent refractive powers in meridians that are 90 apart.3.1.2 base-down,advrefers to the type of prism thatcauses a horizontal beam of light to bend down causing objectsto appear higher than their true position.1This specification is under the juri
13、sdiction of ASTM Committee F08 on SportsEquipment,Playing Surfaces,and Facilities and is the direct responsibility ofSubcommittee F08.57 on Eye Safety for Sports.Current edition approved April 1,2018.Published May 2018.Originallyapproved in 2012.Last previous edition approved in 2012 as F2812 12.DOI
14、:10.1520/F2812-12R18.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards I
15、nstitute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.4Available from the European Committee for Standardization,Avenue Marnix17,B-1000 Brussels,Belgium.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis internationa
16、l standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 3.1.3 base-in,advrelating to the type of prism imbalancethat tends to cause parallel rays of light passing through aprotector,spaced apart by the interpupillary distance,to con-verge.3.1.4 base-out,adv
