Skip to main content

Lowy & Sewell Eye Care is now open to non-urgent as well as urgent care.

We have implemented the guidelines set by the College of Optometrists and the Ministry of Health.

  • Disinfection of touch points and equipment
  • Use of plexiglass barriers
  • All staff and patients are required to wear masks
  • A maximum number of people in the office will be strictly enforced to allow for 6 feet of spacing
  • Use of telemedicine as needed

The examination will be modified to provide the same level of care as always, but will decrease the time the Doctor is in close proximity to the patient. Advanced technology will be advised to keep this time to a minimum.

Our goal is safety while providing leading edge eye care.

girl%20with%20blue%20eyes%20in%20black%20and%20white%20coat%20slide.png
contact-in-solution
Home » Eyeglasses & Contacts » 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!