Semifinished Compound Ophthalmic Lens Blank

Semifinished compound ophthalmic lens blanks are a type of lens material used in the production of eyeglasses and other ophthalmic devices. These blanks are typically made from high-quality optical materials, such as glass or plastic, and are designed to be shaped and polished to the specific prescription requirements of an individual patient.

The term "compound" refers to the fact that these lens blanks are made up of multiple layers or elements, each with different optical properties. This allows for the creation of lenses with complex prescriptions, such as bifocals or progressive lenses, which can correct for multiple vision problems at once.

Semifinished lens blanks are called "semifinished" because they have already undergone some initial shaping and grinding processes, but they still require further customization to match the specific prescription and frame requirements of a patient. This customization is typically done by an optician or lens manufacturer, who will use specialized equipment to shape the lens blank and apply any necessary coatings or treatments.

In the supply class Ophthalmic Instruments, Equipment, and Supplies, semifinished compound ophthalmic lens blanks are considered a key component for the production of eyeglasses and other ophthalmic devices. They are often sold in various sizes and shapes to accommodate different frame styles and prescription requirements.

Overall, semifinished compound ophthalmic lens blanks play a crucial role in the manufacturing process of eyeglasses and other ophthalmic devices, allowing for the creation of customized lenses that can effectively correct vision problems for individual patients.