classification medical based paralympic classification blind sport competitors classification partial sight visual number blind sports including alpine skiing skiing blind cricket blind golf football sports including rowing athletics swimming class classification created 1970s largely remained unchanged despite effort functional evidence based classification system classification handled international level handled national sport exceptions sports like athletics cycling equipment utilized competitors class differ sport sport include sighted guides guide rails balls modifications related equipment rules specifically address needs competitors class allow compete specific sports sports specifically allow guide cycling skiing require definition disability sport classification people partial vision defines classification visual visual visual field degrees degrees defined functional vision competitors class shapes help glasses classification borrowed sports including blind golf define class visual visual visual field degrees degrees alpine skiing sport specific versions definition include defined classification athletes slightly vision degrees degrees defined alpine skiing visual visual visual field degrees degrees classification parallels sports rowing comparable classification athletics class equivalent swimming handles classification number sports internationally including football classified involves assessing vision factors including visual contrast sensitivity color vision motion visual field assessed class process includes athlete filling consent form submitting photograph scheduling appointment evaluation evaluation competitor accompanied person assist communicating necessary person bring translator assessment conducted medical status groups assist classification includes confirmed competitors visual unlikely change review competitors vision new competitors classified eligible competitors visual severe likely deteriorate future point eligible classification handled national sport level australians seeking classification blind sports classified australian vision united_kingdom blind sport handled recognized nationally united_states governance related classification handled sports use rowing classification assignment handled case summer paralympics athletics classification assignment handled case summer paralympics cycling classification assignment class handled case summer paralympic swimmer competes normal rules governing sport highest authority swimming competitions swimming classification handled sports sports classification include rowing athletics cycling football alpine skiing skiing swimming paralympic level number disability sports open classification visually impaired competitors including basketball fencing ice hockey rugby shooting table tennis tennis equestrian sport open paralympic sport classification classification system parallel classification available levels national international competition sports sports removed paralympic programme classification blind golf lawn performance differ class compared blind classes swimming class significantly slower classes meter freestyle class significantly faster meter history traces history early history blind sport belief vision severe competitive advantage competitors severe classification developed competition different bands visual developed blind classification system parallel national blind sport associations developing classification system based visual place rise classification system blind sport meant classification system failed gain traction blind sports competition classification system largely remained unchanged place attempted functional disability evidence based system rely medical based classification attempt address overall objective support ongoing development accurate reliable consistent credible sport focused classification systems implementation approved classification system classification overall blind class group medically based despite changes disability types prepared time functional classification system utilized disability groups sports cases non affiliated sports developed classification systems case blind golf classification existed australian open golf tournament blind visually impaired time classifications existed class equipment equipment utilized competitors class include sighted guides guide rails balls sticks use sighted guide people class dependent specific requirements sport athletics parallel classification runners use guides competition generally use training cycling classification uses guide utilizing tandem bicycle guide sitting looking guide encouraged find pace similar alpine skiing guides position differently vision means things guide assists different required sight guide ski use visual cues inform ahead course swimmers stand pool deck tap swimmer approach wall swimmer bring having optional blind use sighting device unable use rules rule differences classification competition sport specific rowing boat maximum number rowers class allowed boat athletics runners assistance water stations longer races blind cricket players class allowed total players classifications open blind football women eligible compete paralympic games classification eligible play competitions allowed field player blind sport classes compete competitors classified weight purposes competition weight classes use international standards olympics sailing competitions person boat maximum points include female male sailor boat competitions run class competes boats sailors class swimming outside use swimmer competes normal rules governing swimming competitions
B3 (classification)