 IBSA handles classification for a number of sports internationally including five @-@ a @-@ side football , goalball and judo . Part of being classified involves assessing vision for factors including visual acuity , contrast sensitivity , color vision , motion detections and visual field . When being assessed into this class by the IBSA , the process first includes the athlete filling out a consent form , submitting a photograph , and scheduling an appointment with a classifier for evaluation . During the evaluation , the competitor may be accompanied by another person to assist them in communicating with the classifiers . If necessary , the person can also bring a translator . The assessment is then conducted and is medical . There are several status groups used by classifiers that assist in classification . This includes confirmed for competitors who have a visual impairment unlikely to change , Review for competitors who have vision that may fluctuate , New for competitors who have never been classified before , Not Eligible for competitors who have a visual impairment that is not severe enough and not likely to deteriorate in the future to the point where they could be eligible . 
