Focus Toric lenses from CIBA Vision Corporation usually are a well-known brand name of toric lenses for astigmatism. They may be intended for every day wear and nightly removal, and offer convenient monthly replacement unit.
カラコン 乱視 is actually a problem whereby the eye's cornea is oddly shaped and is also more like a soccer shape rather as compared to a sphere. As a result, light of light scatter all over the place except where they will need to be--the retina--and end up causing the blurry perspective you're accustomed in order to without your eyesight contacts.
Focus Toric lenses make up for astigmatism by placing them selves securely around the vision upon insertion and even remaining firmly inside place. They then turn into a refracting channel that reverses typically the scattering of gentle caused by the particular astigmatic cornea and even re-focuses light within the retina. The conclusion result you care and attention about is crisp, clear visual awareness.
A lens's moisture level is always an crucial feature, since higher moisture equates to be able to increased wearing convenience. Focus Toric improved lenses keep themselves wet because they will be made of 55% drinking water and 45% vifilcon A, a water-absorbing polymer that allures moisture to support keep your improved lenses feeling comfortable and smooth all working day long. Whenever you remove and disinfect all of them in the evening, they are going to re-absorb humidity through your contact contact lens solution and become prepared to go when again each day.
These types of lenses are a little bit colored blue via a process CIBA Vision calls Visitint. The color is not noticeable at all while wearing the lenses, but it greatly assists in handling and removing your lenses just about every day. Additionally, considering that the positioning of the toric lens is important, Focus Toric lenses feature three small lines in the bottom of which tell the user the exact position in which the particular lenses needs to be placed on the astigmatic eye.
Focus Toric contact lenses present the comfort of a monthly replacement plan, which means much less considering when in order to change to brand new lenses. They have to be removed and disinfected nightly. Remember to check with your own eye doctor before making use of them in just about any other way.