What are the pros and cons of this approach?

By the time you have finished reading this, you should have a clearer idea of just what all the numbers and values mean. ... For instance, the SPHERE (SPH) and ... ... a contact lens prescription and explain what all those abbreviations and numbers mean. ... AXIS is a measurement of the orientation of your personal astigmatism ( ... Cylindrical correction (CYL): Cylindrical correction is the second number ... protecting the eyes by using contacts carefully, wearing sunglasses and ... Jan 18, 2023 ... Yeah I meant one eye is cyl -1.00 and the other is -0.25. I did get this brand from an optometrist about 5 years ago and they've always been ... CYL means cylinder. This measurement is only recorded on your prescription if you have astigmatism. Astigmatism is any abnormality in the curvature of the ... HydraLuxe Technology Definition. 2. JJV Data on File 2021. ACUVUE Brand Contact Lenses for ASTIGMATISM - Overall Fitting Success, Orientation Position, ... You need to know what these mean if you want to know how to understand your eye prescription. ... Axis: This explains where the irregular curve that is affecting ... May 31, 2018 ... The axis is defined with a number from 1 to 180 for ... does not contain some information that is important to a contact lens prescription. They basically mean the same thing. The LARS/CAAS method is a way to determine the contact lens axis for next trial lens or final lens prescription, if a ... For example, an axis of 180 degrees means your astigmatism is horizontal. ADD. If you see this on your prescription, it means additional lens powers are needed ...