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Exposure is based on a number of factors such as environmental conditions (altitude, geography, cloud cover) and personal factors (extent and nature of outdoor activities). UV-blocking contact lenses help provide protection against harmful UV radiation.
25 maj 2021 · Contact lens parameters you need to know. Curvature (BC) The base curve of a contact lens describes the curvature of the lens in millimetres. It ensures that the lens sits well on the eye. Usually, this parameter is from 8.2 to 9.0. The most common BC is 8.6. Dioptres / Sphere (D/dpt./S/SPH/PWR)
11 sie 2023 · Featuring a contact lens cheat sheet, this article reviews the various types of contact lenses and patient selection pearls.
15 sie 2016 · Constructing a multifocal contact lens design in which the line of sight transcends into the refractive add power while avoiding the degradation of distance acuity can help increase interest in multifocal lenses.
But depending on how your brain interprets the power profile of the lens, it may vary greatly. If better distance is your priority, I'd suggest 2 D lenses. If you willing to sacrifice distance for reading you may need 1 or even 2 N lenses (though the latter is extremely rare). Delete
Do you have trouble reading your contact lens prescription or lens parameters? Your contact lens prescription explained in our handy guide to lens parameters.
Check out all Bausch + Lomb contact lens product parameters for eye care professionals, including ULTRA®, Biotrue® ONEday & INFUSE®
