High Quality Trial Lens Set with Metal Rim Wood Frame Aluminum Box

High-quality trial lenses made of glass with metal rim for accurate diopter and high light transmittance
Large metal rim with 36mm inner diameter and 38mm outer diameter for wide field of vision
Easily-distinguished lenses, including 72 spherical lenses, 24 cylindrical lenses, 2 prismatic lenses, and 6 accessories
Aluminum box with combination lock for secure storage and easy access
Widely used by optometrists, vision testers, and for household refractive error exams
Suitable for examining hyperopia, myopia, presbyopia, astigmatism, strabismus, and color blindness