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Home » Eyeglasses & Contacts » Eyeglasses » 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!

 

Every day optometrists take pride in helping our patients see clearly and preventing blindness. But today we need your help.

For over 30 years, the Ontario government has refused to formally negotiate with optometrists.

In 1989, the Ontario government paid $39.15 for an eye exam.

In 2021, 32 years later, they pay an average of $44.65.

This amount does not come close to covering the cost (including rent, staff, utilities, equipment, taxes and supplies) to provide an eye exam.

This is not sustainable and yet the Ontario government continues to ignore your care.

They have left optometrists with no choice. If they do not prioritize eye care, as of September 1, 2021, access to eye care for millions of Ontarians will end.

Please sign the petition

www.saveeyecare.ca

*Please also note, due to the job action our Saturday hours may change. Please continue to check the website and Facebook for up to date information*

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