Are double-beam glasses suitable for boys?

Suitable.

Double-beam glasses are eyebrow-beam glasses with a beam in the middle of the eyebrows, giving the appearance of a double beam. They are worn by good-looking people with a straight nose bridge.

Glasses are a combination of lenses and frames, used to improve vision, protect eyes or for decorative purposes. Glasses can correct a variety of vision problems, including nearsightedness, farsightedness, astigmatism, presbyopia, strabismus, or amblyopia.