This article is related to a game, manga series or other media that has not been released outside Japan. The coverage here may differ from what it would be in an official translation.
The Real Glasses (Japanese: リアルのメガネ) is an item in Densetsu no Starfy 4. They are found in Degil's Castle (Stage 9-2) and belong to Shinjitsunomon. In the story, Shinjitsunomon was cursed became Mayoinomon; a door with bandages on its face.
Mayoinomon asks Starfy to locate the Real Glasses as part of the 'Test of Truth' (Japanese: しんじつのしれん). When Starfy, Starly and Moe return the glasses to Mayoinomon, it wears the glasses and the curse is removed. Mayoinomon reverts back to Shinjitsunomon and the bandages disappear.