• Bausch + Lomb B4 Contact Lenses box, front view
  • Bausch + Lomb B4 Contact Lenses on ivory plate
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Bausch + Lomb

Bausch + Lomb B4 Contact Lenses

Bausch + Lomb B4 Contact Lenses

$15.00 CAD
Tax included. Shipping calculated at checkout.
  • Genuine, with brand warranty, original case and papers.
  • Free DHL Express on orders over CAD 300, CAD 39 below that.
  • 4 to 6 working days by DHL Express.
  • Duties and taxes are paid on delivery.
Pack size

Your prescription

Right Eye (OD)

Left Eye (OS)

Not sure? Leave as is. Our opticians confirm every prescription on WhatsApp before dispatch.

Ordered today, verified by our opticians, shipped insured within 24 to 48 hours. Worldwide delivery in about 5 to 10 days.

  • 100% authentic, original case and papers
  • Verified by our in-house opticians
  • Fast, insured worldwide delivery

B4 is Bausch + Lomb's conventional-wear lens, a durable polymacon lens supplied as a single vial for longer replacement cycles.

This conventional wear lens corrects nearsightedness and farsightedness, made from Polymacon with 38.6% water content. It is supplied in packs of 1.

Brand Bausch + Lomb
Category Contact lenses
Wearing schedule Conventional wear
Lens type Spherical
Material Polymacon
Water content 38.6%
Base curve 8.84
Diameter 14.5
Power range -0.50 to -3.50 (B4 variant, BC 8.84); -3.75 to -9.00 (U4 variant, BC 7.94); -9.50 and beyond (HO4 variant, BC 9.94)
Pack sizes 1 lenses

Contact lenses are supplied to your prescription. After you place your order, our opticians confirm your exact parameters on WhatsApp before dispatch: power, base curve, and axis or addition where applicable. If you are unsure of your latest prescription, message us first and we will help you read it.

100% authentic. Every box is genuine and fully documented and ships factory-sealed in the original manufacturer packaging, verified by our in-house opticians. Fast, insured delivery worldwide.

How frames are sized

Every frame carries three measurements in millimetres, printed in small type on the inside of one temple arm. They read like this:

63□15 145

63
Lens width. The width of a single lens at its widest point.
15
Bridge. The gap between the two lenses, the part that sits on your nose.
145
Temple length. The arm that runs from the hinge to behind your ear.

Finding them on a pair you own

Open the arms of the glasses you wear now and turn the left one so the inside faces you. The three numbers run along it, usually near the hinge, separated by a small square or by dashes. The model code and the colour code often sit beside them. If the left arm is bare, check the right arm and the inside of the bridge.

Match those numbers against the lens width listed in the specification on this page and you will know how this frame compares to one you already like the fit of. A difference of one or two millimetres is not something you will feel. Five or more is.

Or let an optician read it

Photograph the inside of your current temple arm and send it to us on WhatsApp. Our opticians will read the size off the picture and tell you whether the frame you are looking at will sit correctly on your face, before you order.

Read the full guide to frame numbers
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$15.00 CAD