en Physical Medecine& Rehabilitaion Physical Medecine& Rehabilitaion Original Research Original Research <strong>Background: </strong>As a soccer referee or an assistant referee, having perfect visual skills is mandatory, which will help make quick and accurate decisions in the field of the play and during matches; however, this skill is not well studied among referrers. This study aimed to assess the visual skills of referees and assistant referees.<br> &nbsp;&nbsp; <strong>Methods:</strong> Men&rsquo;s professional referees and assistant referees working for the Iran football federation were investigated in 2019. The visual skill investigation consists of the evaluation of static visual acuity, color vision, stereoacuity, intraocular pressure, confrontation test, and eye anatomical assessment with slit lamp. The statistical analysis was performed using the SPSS software Version 18.<br> &nbsp;&nbsp; <strong>Results:</strong> In this study, 159 men&rsquo;s professional referees and assistant referees with a mean age of 35.52&plusmn;5.39 were selected. The results of this study showed that 1.88% of the referees and assistant referees had color blindness dyschromatopsia) and 3.14% of them needed more follow-up examinations. The mean spherical equivalent of examined eyes was -0.42D in the right eye and -0.16 D in the left eye.<br> &nbsp;&nbsp; <strong>Conclusion: </strong>Our results showed that referees and assistant referees both had some kind of visual skill deficiencies. As visual skills are among the fundamental skills for success in referees in dynamic sports such as soccer, all of them must undergo visual skill assessments during the precompetition period to avoid any errors in judgment due to visual disturbances.<br> &nbsp; Visual, Soccer, Sports 1148 1152 http://mjiri.iums.ac.ir/browse.php?a_code=A-10-6556-2&slc_lang=en&sid=1 Amir Houshang Behesht Nejad beheshtn@tums.ac.ir 200319475328460066646 200319475328460066646 No Eye Research Center, Department of Ophthalmology, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran Tohid Seif Barghi tohid_seif@yahoo.com 200319475328460066647 200319475328460066647 No Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran Bahar Hassanmirzaei 200319475328460066648 200319475328460066648 No Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, & Iran Football Medical Assessment and Rehabilitation Center (IFMARC), Tehran, Iran Leila Ghanbari leila.ghanbari364@gmail.com 200319475328460066649 200319475328460066649 No Department of Sport Injuries and Corrective Exercises, Islamic Azad University Astara Branch, Astara, Iran Homa Naderifar homa.naderifar@alumni.ut.ac.ir 200319475328460066650 200319475328460066650 Yes Center of Excellence for Occupational Health, Occupational Health and Safety Research Center, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran