If you have a strong prescription, you’re in the right place.
Using this handy guide, avoid the dreaded lens-bulk by choosing the right lenses.
Better still, your eyes will look their natural size instead of being magnified smaller or bigger than they actually are.
No bug eyes for you!
Double aspheric lenses use irregular curvature on both their front and rear surfaces to make them thinner in profile, lighter in weight and aesthetically flatter. These lenses are popular for strong prescriptions to reduce thickness at their centres or edges.
For ease, here’s a handy breakdown of each lens profile;
This design makes double aspheric lenses flatter, thinner and sleeker in your frame.
See the illustration below.
Double aspheric lenses benefit strong prescriptions of more than +6.00 or - 6.00 dioptres in your sphere and/or your cyl.
See the illustration below.
Aspheric or double aspheric lenses have the advantage of being thinner, flatter and lighter weight than traditional spheric equivalents. This makes them easier to wear in your glasses frame with improved aesthetics due to their sleeker appearance.
High index lenses are more efficient at refracting (bending) light, therefore require denser, more costly materials to manufacture. Furthermore, they require finer tolerances of accuracy which adds to their higher production costs.
For a guide to high index lenses, check out my other blog here.
In 2021, 1.67 index, CR39 double aspheric lenses cost approximately £100 including anti-scratch and anti-glare coatings.
For a personal quotation to suit your prescription and lifestyle, please get in touch.
Double aspheric lenses are;
As you can tell, there are a lot of options to choose from, so feel free to get in touch about your ideal set of lenses.
Hopefully you found this article useful.
Thanks for stopping by.