How often should I replace my toric contact lenses? What are the different replacement schedules for toric lenses (daily, bi-weekly, monthly)?

Cylindrical correction (CYL): Cylindrical correction is the second number ... protecting the eyes by using contacts carefully, wearing sunglasses and ... Extreme H2O lenses are made with a unique material that has advanced hydration properties. What does this mean? A contact lens that does not dry out and the ... ... contact lenses (always a minus [–] on contact lenses). EAxis: contact lens axis is a number between 0 – 180 degrees which shows the angle of correction ... PWR (Power)/SPH (Sphere): On a contact lens prescription, you may see the SPH ... What do the numbers on my eye prescription mean? Numbers on an eye ... Jan 27, 2025 ... What is SPH in Contact Lenses? SPH, short for sphere, in a contact lens prescription refers to the lens power needed to correct your vision. Apr 9, 2019 ... It is important to note that an eyeglass prescription is different than a contact lens prescription. Eyeglass lenses are positioned at a ... If you need glasses, the optometrist will write you a prescription. Here is a simple guide to what it means: Sph (sphere) represents how long or short-sighted ... Oct 31, 2019 ... INDEX · Base Curve (BC): This base curve determines what type of fit is required for the lens to meet the curve of your eye. · Power/Sphere (PWR/ ... Dec 9, 2020 ... ... cyl”). Typically, these include patients with less ... The corresponding number in that row is the power of the contact lens you'll need. Save big on glasses & contacts. Maximize your vision benefits now. Contact lenses. First Name. Last Name. Date of Birth (MM-DD-YYYY). Zip Code. Access Benefits