Vintage optical trial lens set housed in a professional black hardshell carrying case with a vibrant red velvet-lined interior. This comprehensive kit includes a variety of spherical and cylinder lenses, categorized into concave and convex sections for precise vision testing and optometry use. The set features high-quality glass lenses with clear numerical markings for easy identification. Made in Japan, the case is secured with a durable Tokoya Tokyo metal latch, ensuring all components remain protected and organized. Ideal for collectors of medical instruments, students of optometry, or professional use.