There are several synonyms for the phrase "pinhole glasses," which are eyeglasses with multiple tiny holes instead of traditional lenses. One of the commonly used terms for pinhole glasses is "stencil glasses." The word stencil refers to a thin sheet of material with a pattern or design cut out that is used to reproduce the design on a surface. Other words that can be used to describe pinhole glasses include "aperture glasses" and "perforated glasses." The word aperture refers to an opening or hole in an object, while perforation is the act of piercing or creating holes in a material. Overall, these synonyms all refer to the same type of glasses that improve visual focus and clarity by allowing light to enter the eyes through small holes.