The Jezinkas is a Bohemian fairy tale collected by A. H. Wratislaw in his Sixty Folk-Tales from Exclusively Slavonic Sources, number 5.
[2] Ruth Manning-Sanders included, as Johnny and the Witch-Maidens in both A Book of Witches and A Choice of Magic.
The man took him as a goatherd but warned him against the hills: there, the three evil witches, known as the Jezinkas (Jeziňky), would put him to sleep and tear out his eyes.
The youth discovers the cause for the couple's blindness is due to the actions of evil witches or malevolent fairies.
In this combination, the hero heals the old man (woman or couple)'s eyes and has further adventures (usually tale type ATU 300, "The Dragonslayer").