No there is not a big diff between the two base curves. However, it's the relationship between diameter and base curve that is more important.
Is it okay to wear contacts with a different base curve?
Can I order contact lenses with a different base curve? You should never order contact lenses with a base curve that is different from your prescription. This can damage your eyes and cause problems with vision.
Is there a big difference between 8.3 and 8.6 base curve?
Usually yes, that is a big difference. 8.3 are for corneas that are steeper than average , while 8.6 is for flatter curvatures. Someone who requires an 8.3 or 8.4 usually can't wear an 8.6 because they just keep sliding all over the eye.
Is 8.6 base curve normal?
Studies show that a single base curve of 8.4mm managed a “good or better” fit in approximately 90% of individuals,1 and base curves of 8.4mm and 8.6mm together encompassed 98% of individuals.1 Sept 2017
Can I wear contacts with a different diameter?
It is not recommended to wear contact lenses with a different diameter from your prescription. If the diameter is too wide, the lens will be loose in the eye and may slip out of place. If the diameter is too small, the lens will have a tight fit, causing discomfort.
How important is diameter in contact lenses?
It's very important because it shows in which part of your eye the edges of the contact lens will rest. If the diameter is wrong, too small or too large it wont be stable on your eye and move around too much or it can be too tight and cause eye irritation and corneal abrasions.31 Aug 2019
What is DIA 14.2 contact lenses?
CONTACT LENS POWER (SPH) RANGE DIAMETER
------------------------- ----------------- --------
Proclear 1 Day Multifocal +6.00 to -10.00 14.2
Proclear 1-Day +8.00 to -12.00 14.2
Proclear Compatibles +20.00 to -20.00 14.2
Proclear Multifocal +6.00 to -8.00 14.4
What is the difference between 8.4 and 8.6 base curve?
LENS BASE CURVES AVAILABLE (mm) DIAMETERS AVAILABLE (mm)
---- -------------------------- ------------------------
3 8.6 14.2
4 8.4, 8.6 13.8
5 8.6 14.0
6 8.5, 9.0 14.2
Does the BC and Diam matter a lot when buying contacts?
Both the Base Curve (BC) and Diameter (DIA) of a contact lens ensures a proper fit on your cornea and total eye surface. Those features ensure comfort and encourage eye health, including allowing proper oxygen to the eye. You'll also need this information if you want to order contact lenses online.
What is the difference between 14.0 and 14.2 diameter contacts?
14.0mm and 14.2mm contacts In fact, there is not much difference between these two. Some manufacturers only make 14.2mm diameter contacts, and some others produce 14.0mm diameter contacts. Many 14.0mm contacts users use 14.5mm or 14.8mm contacts to demonstrate dolly effects on their eyes.
Does the BC and DIA matter?
The diameter and base curve are important factors in determining what the optimum fit is for you. A proper fit ensures full coverage of the cornea, optimum edge alignment, and adequate movement of the lens for tear exchange.
Is there a big difference between 14.0 and 14.5 diameter contacts?
Yes they do matter. The BC, or base curve, is measured based on your cornea's curvature. If the base curve is too small, it'll squeeze your eye, and if it is too big, it won't stay on your cornea.
What is DIA contact lens?
Diameter: This stands for Diameter and is the length of the contact lens from one edge of the lens to the other. This is effectively the size of the contact lens and is used to make sure the contact lens covers the correct parts of your eye. E.g. DIA 13.8.31 Mar 2015