Base curve bc of contact lens is to general measurement of the back surface of contact lens base curve of disposable soft contact lenses available in the market varies from 8 4 mm to 9 0 mm.
What does bc stand for contact lenses.
Different individual have different curvature of their eyes.
This stands for base curve.
This base curve determines what type of fit is required for the lens to meet the curve of your eye.
If you see an ou on your label meaning ocular uterque it means the prescription is the same measurement in both eyes.
Also your site states 3 lenses per box.
What does each part of your prescription mean.
The prescription may also include how often your contacts should be replaced monthly bi weekly weekly daily to avoid eye damage through infections caused by the buildup of protein calcium lipids and other substances found.
Contact lens exams measure your eye surface so that doctors can prescribe a contact fitted for your exact eye shape.
What is the base curve bc of contact lens.
Power is written as a unit of measurement called a diopter.
Os stands for ocular sinister the latin term for the left eye.
It s the back curvature of your contact lens which is measured in millimeters.
According to the ohio state university medical center although contact lenses are similar to a spectacle prescription contact lens measurements usually have different numbers 1 4 5.
A lens with a base curve of 8 6 is steeper than a lens with a base curve of 8 9.
There are several codes and figures on your contact lens prescription.
Different contact lens brands of both corrective lenses and colored contact lenses make products in different sizes.
Does that mean 3 pairs of lenses.
Use this guide to read your contact prescription.
The base curve and diameter should be written on your contact lens prescription.
It also means your contact lenses will be less likely.
Although many people s eyes are a globe type of shape there are still unique variations that prohibit contacts from being a one size fits all item.
Let s start with the letters bc which stand for base curve.
This is important for comfort as the bc of your contact lenses should match your eye s natural curve as closely as possible to ensure a better fit when you are wearing your contact lenses.
Air optix aqua multifocal lenses are only manufactured with one base curve and diameter measurement.
Od or ocular dexter is latin for the right eye.