ASTM_F_2812_-_12.pdf

Designation:F281212Standard 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 adoption 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,designed for use by riders of motor-cycles,mopeds,and snowmobiles for off road use that mini-mize or significantly reduce injury to the eye and adnexa as aresult of impact and penetration by objects that may be kickedup from the road,track,trail,or snow surfaces and madeairborne and,as such,likely to cause eye discomfort or injury.This specification does not address shield-type eye protectorssuch as are connected to,integral to,and/or supported byprotective helmets.Protective eyewear offers protection only tothe eyes and does not protect other parts of the head,face,orneck.1.2 Protectors are divided into two types,goggles or spec-tacles,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 goggle-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 forinformation 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 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 and health practices and determine the applica-bility of regulatory limitations prior to use.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 FaceProtection 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.3.1.1.1 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.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,advrelating to the type of prism imbalancethat tends to cause parallel rays of light passing through aprotector,spaced apart by the interpupillary distance,to di-verge.1This test method is under the jurisdiction of ASTM Committee F08 on SportsEquipment and Facilities and is the direct responsibility of Subcommittee F08.57 onEye Safety for Sports.Current edition approved July 1,2012.Published August 2012.DOI:10.1520/F2812-12.2For 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 Institute(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 States1 3.1.5 base-up,advrefers to the type of prism that causes ahorizontal beam of light to bend upward causing objects toappear lower than their true position.3.1.6 binocular,advrelating to the field of view that isshared by both eyes simultaneously;also,any simultaneousactivity of the two eyes.3.1.7 central viewing zone,nthat part of the eye of aprotector that has its center in line with the wearers normalline of sight.3.1.7.1 DiscussionThe zone is circular and 40 mm indiameter.The center of the central viewing zone shall be thepoint of intersection of the line of sight with the lens asmounted on the EN head form per the