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Home » Eyeglasses in Yorkville » Prescription Eyeglasses » High Index and Aspheric Lenses

High Index and Aspheric Lenses

What are High Index Lenses?

A high index lens is a lens that has a higher “index” of refraction. This means it has a greater ability to bend light rays to provide clear vision for people with stronger prescription glasses. But that’s the technical terminology. What do high index lenses mean for eyeglass wearers?

Thinner, lighter, and more visually appealing, that’s what! High index lenses are manufactured to be thinner at the edges of the lens and lighter in weight overall.

High index lenses are a good option for people who have strong prescriptions for myopia—commonly called “nearsightedness” due to a difficulty in focusing on far objects. A high-index lens can bend light rays more, while using less material in lenses created for both nearsighted and farsighted people (hyperopia).

No more soda bottle glasses

In times past, strong prescriptions meant thicker, heavier lenses, giving some a “glass bottle” appearance. But now, with high index glasses available in thinner, lightweight plastic (as well as slightly heavier glass), lens wearers with stronger prescriptions can get more attractive, yet equally effective, lens products. Because high-index lenses bend light more, anti-reflective (AR) treatment is often recommended as an add-on for optimum clarity of vision.

For better comfort, better vision and improved cosmetic appeal, people with strong prescriptions can’t beat high-index lenses.

Special thanks to the EyeGlass Guide, for informational material that aided in the creation of this website. Visit the EyeGlass Guide today!
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To our valued Patients:

To reduce the spread of Coronavirus Covid-19, The College of Optometrists of Ontario has recommended that our office sees urgent care cases only. As a result, we are on an “On Call” status and will see urgent care patients as necessary by appointment. If you have an eye emergency and require urgent care please contact info@bayblooroptometry.com or call the office and state: what your emergency/urgent eye issue is; when the issue began; and any symptoms you are experiencing. For all other inquiries, including new contact lens orders for existing patients, messages may be left in the same manner as above, and will be responded to as soon as possible.

We will be checking voicemail and email daily.

We thank you for your understanding and continued support and wish you all the best in good health.

Bay Bloor Optometry