Materiālā iekļauti attēli no šīm adresēm:
http://biologypop.com/strabismus/
http://doctoronline.bg/articles/4338/Botoksat-lekuva-i-krivogledstvo-ne-samo-brachki
http://www.kalliasoptom.com/page.php?pageID=28
http://www.anekdot.ru/an/an1111/e111123.html
http://www.koreaherald.com/view.php?ud=20130321000985
http://www.strabismus.nl/drupal/perception
http://uvahealth.com/services/eye-care/conditions-treatments/11536
http://kidshealth.org/kid/en_espanol/enfermadades/strabismus_esp.html