Bibliografie şi webgrafie
biologie, manual pentru clasa a XI-a (Stelică Ene, Elena Emilia Iancu, Gabriela Brebenei, Ofelia Tănase), Editura GIMNASIUM.
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwiA0b_AsfvsAhXLHXcKHf1UA1MQFjABegQIAhAC&url=https%3A%2F%2Fro.wikipedia.org%2Fwiki%2FVedere_binocular%25C4%2583&usg=AOvVaw1UWS5f1O-7l_ZQ4VtJ07T7
https://bacbioro.weebly.com/uploads/2/8/4/0/28403079/9316405_orig.png
https://www.romedic.ro/arata_img.php?img=anatomie_43_369.jpg&w=1000&h=2000&cale=/uploadart/anatomie
https://www.romedic.ro/arata_img.php?img=anatomie_43_10.jpg&w=1000&h=2000&cale=/uploadart/anatomie
https://upload.wikimedia.org/wikipedia/commons/thumb/3/30/Myopia.svg/300px-Myopia.svg.png
https://www.aoa.org/AOA/Images/Patients/Eye%20Conditions/Astigmatism-graphic.jpg
https://oftalmestet.ro/wp-content/uploads/2011/03/glaucom-oftalmestet.ro_-300x225.jpg