What it means
High index lenses can reduce lens thickness for some stronger prescriptions, but frame size and shape are just as important.
Ashfield NSW local optometrist
High Index Lenses Guide
High index lenses can reduce lens thickness for some stronger prescriptions, but frame size and shape are just as important.
High index lenses at iFocus Optometrists
Learn when high index lenses may make glasses thinner and lighter for stronger prescriptions.
At a glance
- Thinner lens option
- Useful for stronger prescriptions
- Frame choice still matters
- Staff can compare lens options
Reviewed by: Dr. Shirley Wang, B.Optom UNSW
Qualifications: Bachelor of Optometry, University of New South Wales
Languages: English, Mandarin Chinese, Cantonese Chinese
Last medically reviewed: July 2026
Why it matters
The right eye care or lens choice depends on prescription, symptoms, lifestyle, frame fit and eye health. A local optometrist can check the details rather than guessing online.
When to book an appointment
Book an eye test if symptoms are new, changing, affecting school, work, driving, reading or screen use, or if your current glasses no longer feel comfortable.
Common questions
What is high index lenses?
High index lenses can reduce lens thickness for some stronger prescriptions, but frame size and shape are just as important.
Can iFocus Optometrists help in Ashfield?
Yes. iFocus Optometrists can assess your vision needs and explain suitable options at the Ashfield practice.
Should I book an eye test?
If vision has changed, symptoms are new, or your current glasses are uncomfortable, booking an eye test is recommended.