1. Premium Quality Optometry Tool Set:Explore the precision of our 232-piece trial lens set, meticulously crafted with durable glass lenses encased in a robust metal rim. Perfect for optometrists and vision testers seeking accuracy and high light transmittance. 2. Comprehensive Lens Variety:Delve into a comprehensive array of spherical, cylindrical, and prismatic lenses, along with essential accessories. Each lens, carefully engraved and marked, ensures easy identification and accurate examination results. 3. Secure Aluminum Case with Combination Lock:Safeguard your investment with our aluminum case, featuring a reliable combination lock for added privacy and security. Easily reset the lock to your preferred three-digit code for peace of mind. 4. Wide Field of Vision for Accurate Results:Benefit from a wide field of vision provided by the large metal rim design, enhancing the accuracy of your examinations. The 36mm inner diameter and 38mm outer diameter ensure precise testing outcomes. 5. Versatile and Hygienic Usage:Utilize our trial lens set for a range of refractive error examinations, including hyperopia, myopia, astigmatism, and more. Ensure hygiene by wiping lenses clean after each use, maintaining optimal clarity and performance.5. Versatile and Hygienic Usage:Utilize our trial lens set for a range of refractive error examinations, including hyperopia, myopia, astigmatism, and more. Ensure hygiene by wiping lenses clean after each use, maintaining optimal clarity and performance. 4. Wide Field of Vision for Accurate Results:Benefit from a wide field of vision provided by the large metal rim design, enhancing the accuracy of your examinations. The 36mm inner diameter and 38mm outer diameter ensure precise testing outcomes. 3. Secure Aluminum Case with Combination Lock:Safeguard your investment with our aluminum case, featuring a reliable combination lock for added privacy and security. Easily reset the lock to your preferred three-digit code for peace of mind. 2. Comprehensive Lens Variety:Delve into a comprehensive array of spherical, cylindrical, and prismatic lenses, along with essential accessories. Each lens, carefully engraved and marked, ensures easy identification and accurate examination results. 1. Premium Quality Optometry Tool Set:Explore the precision of our 232-piece trial lens set, meticulously crafted with durable glass lenses encased in a robust metal rim. Perfect for optometrists and vision testers seeking accuracy and high light transmittance.