“EZ Ratio calculation” by

“https://commons.wikimedia.org/wiki/File:Tear_system.svg” adapted by Erin Silversmith is licensed under https://creativecommons.org/licenses/by-sa/2.5.

Klintworth GK., CC BY 2.0 https://creativecommons.org/licenses/by/2.0, via Wikimedia Commons

“Corneal Hydrops” by Elise A. Slim et al. is licensed under https://creativecommons.org/licenses/by/4.0.

“https://upload.wikimedia.org/wikipedia/commons/9/95/Dendritic_corneal_ulcer.jpg” by Imrankabirhossain is licensed under https://creativecommons.org/licenses/by-sa/4.0.

“https://commons.wikimedia.org/wiki/File:Contact_Lens_Related_Small_Corneal_Ulcer_with_Sodium_Fluorescein_Staining_7_copy.png” by Iceclanl, is licensed under https://creativecommons.org/licenses/by-sa/4.0.

“https://commons.wikimedia.org/wiki/File:Hypopyon.jpg” by EyeMD (Rakesh Ahuja, M.D.) is licensed under https://creativecommons.org/licenses/by-sa/2.5

“https://commons.wikimedia.org/wiki/File:Keratic_precipitate.jpg” by Imrankabirhossain is licensed under https://creativecommons.org/licenses/by-sa/4.0.

“https://commons.wikimedia.org/wiki/File:Subepithelial_corneal_infiltrates.jpg” by Imrankabirhossain is licensed under https://creativecommons.org/licenses/by-sa/4.0.