High-Quality Bifocal Lenses: These CR39 1.49 bifocal flat top UC uncoated bifocal semi-finished optical lens blanks offer excellent vision correction with a clear and uncoated finish, suitable for users with specific vision needs.
Wide Power Range: With a power range of +100 to +350 diopters and base powers of 2, 4, 6, or 8, these lenses cater to various prescription requirements, ensuring a comfortable and accurate fit for users.
Long-Lasting Guarantee: Backed by a 5-year guarantee, these lenses provide peace of mind for customers, ensuring they can rely on the product for extended periods without worrying about defects or malfunctions.
Advanced Material: Made from CR39 monomer, these lenses offer high optical clarity and durability, with a specific gravity of 1.32 and transmission of over 97%, making them suitable for users seeking high-quality vision correction.
Customizable Options: Available in a 70mm diameter and with a flat top segment of 28, these lenses can be easily customized to meet individual user needs, including those specified by customers.