How Are Prescription Lenses Made?

Have you ever pondered the meticulous craft behind your prescription eyeglasses? Understanding how your glasses come to life is a journey worth exploring. Continue reading this post to learn more about how it works.

The Journey From Eye Exam to Prescription Lens

The creation of prescription lenses begins with a thorough eye exam. An optometrist meticulously determines the exact specifications your lenses need to correct your vision. The detailed prescription includes spherical and cylindrical values, as well as an axis for astigmatism correction if needed. This precise prescription is the blueprint for crafting your custom lenses.

Crafting the Lens

Lens blanks serve as the starting point in the lens-making process. The polycarbonate disks are prefabricated in different curvatures to match a wide range of prescription strengths. The transformation of these blanks begins with detailed mapping to align the lens perfectly with your pupil and frames. High-quality lenses are carefully selected and tailored to your needs, including specific coatings and treatments for durability, clarity, and comfort.

Precision Cutting and Edging

Ensuring your lenses fit flawlessly into your chosen frames requires precision cutting and edging. This process involves meticulously grinding and polishing the lens to achieve the perfect shape and fit. Specialized equipment is used to edge the lens, ensuring seamless integration with your stylish frames. This step is crucial for achieving the correct prescription alignment and aesthetic appeal.

Advanced Coatings for Enhanced Performance

One of the most significant advancements in lens technology is the application of various coatings. These coatings may be recommended by your optometrist to improve the performance of your glasses. Anti-reflective coatings, for instance, reduce glare and eye strain. Meanwhile, scratch-resistant and UV-protective coatings enhance lens longevity and protect your vision.

Custom Tinting and Final Fittings

Tinted lenses are personalized for added protection from the sun or improved visual comfort. After being cut, edged, coated, and tinted, the lenses are carefully fitted into frames to ensure proper alignment and comfortable wear.

At Alderwood Optical & Canyon Park Vision Clinic, we pride ourselves on our commitment to excellent eye care. Each optometrist on our team is dedicated to providing you with the perfect pair of glasses tailored just for you. Call us today at (425) 771-8472 (Lynnwood) or (425) 485-0430 (Bothell). You can also fill out our contact form to schedule an appointment. We serve patients in Bothell, Lynnwood, and Shoreline, WA.