Mačke, baš kao i psi vide cmeđu, plavu i žutu te imaju dodatni unutarnji kapak koji im štiti oko od ozlijeda. Unutarnji kapak, ponekad se, kada je riječ o ozlijedama oka, zašiva preko rožnice, da bi se ona oporavila. To je postupak koji je dobro poznat čak i studentima veterine.
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Ptice vide ultraljubičasto svjetlo, što je ljudima nemoguće. Mišići njihovog oka fokusiraju se na određnu metu. Ne kaže se uzalud da netko ima "oko sokolovo". Zanimljive su i muhe koje imaju stotine malenih leća, vide UV svjetlost i imaju "usporenu sliku".
Kako životinje vide svijet oko sebe, pogledajte u videu: