Conlons Opticians established 1882
Search website
Change text size
Small
Medium
Large
Offers
Contact
Store locator
Book an eye test
Home
Stores
Ashton under Lyne Opticians
Barrow in Furness Opticians
Stephen Rowe Opticians - Barrow
Carlisle Opticians
Dumfries Opticians
Formby Opticians
Heswall Opticians
Kendal Opticians
Lancaster Opticians
Liverpool Opticians
Optimark & T.J. Hughes
Leigh Opticians
Millom Opticians
Morecambe Opticians
Ormskirk Opticians
Penrith Opticians
Shotton Opticians
Widnes Opticians
Wigan Opticians
Customer Care
Our Background
Testimonials
Help and FAQs
Blog
Contact Us
Eye tests
Book your eye test
Eye-test explained
Enhance eye-test
NHS Eyecare
Children
Peppa Pig
Eye Test Offers
Eye-care
A-Z of eyecare & hearing
Personal online optician
Myths and misconceptions
Sight Conditions
Long sight
Short sight
Astigmatism
Presbyopia
Dry eyes
Eye Conditions
Diabetes
Cataract
Glaucoma
ARMD
Flashes and Floaters
Customer Care
Our Background
Help and FAQs
Blog
Contact Us
Glasses
Glasses and Sunglasses Brands
Our guarantees
Choosing the perfect frame
Ladies
Mens
Designer
Face Shapes
Kids
Optional extras for children’s lenses
Designer Frames
Contact lenses
NHS Entitlement
Glasses and Sunglasses Offers
Sunglasses
Glasses and sunglasses brands
Glasses and Sunglasses Offers
Spectacle lenses
Brands
Zeiss lenses
Seiko lenses
Conlons spectacle lenses
Progressive (varifocal) lenses
Thinner lenses
Lens coatings
Anti reflection coatings
Hard coatings
UV protection coatings
Contact lenses
Getting Started
Why choose Conlons?
Contact Lens Offers
Contact Lenses for Children
Hearing care
Benefits
Hearing Aids
Oticon hearing aids
ReSound hearing aids
Phonak hearing aids
Unitron hearing aids
Starkey hearing aids
Siemens hearing aids
Widex hearing aids
Bernafon hearing aids
Hearing Loss
The Early Signs
Interest Free Payment Options
Recommend a Friend
Hearing Care Offers
Offers
Glasses & sunglasses offers
Sale Sale Sale
Zeiss lenses
Interest Free Credit
Interest free credit sunglasses
Breakage Protection Plan
Eye-tests offers
Half Price Eye Test
£5 off eye test
Contact lenses offers
Why Choose Conlons?
A New Generation of Contact Lenses
Mirage Contact Lenses
Free Glasses for Contact Lens Wearers
Hearing Care offers
Instant fit hearing protection
Free hearing screening
Student Discount
A-Z of eyecare & hearing
You are here:
Home
/
Eyecare
/
A-Z of eyecare & hearing
/
D28 bifocals
This is the most commonly dispensed
bifocal
. The reading segment is
D-shaped
and flat on top in this case it is 28mm wide.
D Segment bifocals
are available in a variety of segment widths from 25mm to 45mm.
<< Back to Index
Eyecare
A-Z of eyecare & hearing
Personal online optician
Myths and misconceptions
Sight conditions
Eye conditions
Customer Care
Facebook
Twitter
Blog
