WebShape and Size - Base Curve and Diameter. A BC measurement on your prescription refers to base curve. This is the back curvature of your contact lens. The DC or diameter of your lens is the distance from one edge of the lens to the other. Astigmatism - Cylinder and Axis WebApr 11, 2024 · Typical base curve values range between 8.0 and 10.0 mm. In some cases, it can be as flat as 7.0mm, especially if you have a rigid gas-permeable lens. The …
Fast Facts Contact Lenses CDC
WebOrdering contact lenses from us is super-easy, ... Base Curve (BC): The base curve determines what type of fit is required for the lens to meet the curve of your eye; ... This is a number between 0.50 and 3.00, some … WebBC: Is the back curvature of your contact lens. This determines how your lens fits. OD: Right Eye OS: Left Eye Diameter: Is the distance in mm from lens edge to lens edge. Power: The spherical power of a lens is measured in diopters. It will always have a (+) or (-) in front of it. I only want to order for my Right or Left Eye: You are able to order only the right or … how to make my mouse scroll work
What is DIA and BC in Contact Lenses?
WebApr 1, 2016 · We rent lenses like the 24-70 and 70-200 from Canon, Sony and Nikon through to Cine lenses from Zeiss, Sigma and Rokinon. ... Address 409 Granville St. - Office 1210 Vancouver, BC Office: (604) 558-0105 After Hours Cell: Emergency!? Click Here. This number is not for renting equipment when it's NOT an emergency. If you are renting … WebApr 13, 2024 · Contact lenses should work with your eyes. Toric and multifocal lenses are designed to do just that. Learn about contact lens types. ... BC (a.k.a Base Curve): This number indicates the curvature of the contact lens, which is important for ensuring proper fit and comfort. Dia (Diameter): This number indicates the width of the contact lens ... WebThe 'BC' or base curve measurement indicates the back curvature of your contact lens, in millimetres. This is important for comfort, as the BC of your contact lenses should … how to make my nails look good