Al-ʿīn derives its descriptive force from the width of the eye. In this line it is not a plural referring to human eyes, but an epithet for wild animals. Al-ārām denotes white or pale gazelle-like animals.
TermMeaning here
العِينWide-eyed wild animals
الآرَامWhite gazelles or antelope
أَطْلَاؤُهَاTheir young
Together, the three terms replace the human presence with a lively natural scene.