Product information

Frequency 55 Aspheric 3pcs.

manufacturer:CooperVision
Frequency 55 Aspheric 3pcs.

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FULL DESCRIPTION

Frequency 55 Aspheric contact lenses offer clear and crisp vision for those with more severe vision problems. The aspheric design of each lens can focus light more effectively than a standard spherical lens, offering exceptional results while maintaining a high level of comfort.

Using Enhanced Resolution Technology, light is focused directly to a common focal point at the back of your eye rather than a general area. This offers an increased depth of focus to Frequency 55 Aspheric wearers, with greater image resolution than is possible with a standard lens.

The UltraSync technique employed by CooperVision in producing Frequency 55 Aspheric contact lenses, means each lens is perfectly shaped with an easy to handle edge. This makes the lens much more stable and comfortable to wear for longer periods.

In fact, although designed for monthly use with a proper cleaning schedule, Frequency 55 Aspheric lenses can also be worn solidly for one week if necessary. However, you should only try this after speaking to an optician about it first.

Specifications:
Lens type
Spherical lens
Expiration date

Minimum expiry date.

18 months from date of purchase
Modality

The maximum time of wearing lenses, after which you need to replace them.

Monthly

Lens intended to be worn daily or extended wear schedule for a period of 30 days.

Wearing schedule
Daily

Lenses wear for a few dozen hours a day. Removing it while you sleep.

Box size

The same power.

3 szt.
Power (PWR/SPH)
-8,50D to -10,00D (0,50D step)
-0,25D to -8,00D (0,25D step)
+0,25D to +8,00D (0,25D step)
Base Curve (BC)
8,7
Diameter (DIA)
14,40 mm
Oxygen permeability (Dk/t)

It indicates the amount of oxygen which passes through the lens. The oxygen permeability is an key indicator of the lens material. It determines how much oxygen (which is necessary for proper performance) receives a cornea of our eyes. The higher the value, the better. Dk/t is common used and it states:  the Dk per thickness of the lens. Usually for a lens at -3.00D, which makes it easier to compare different lenses brands. Ranges from 10-20 Dk/t to over 170 Dk/t.

19
Water content
55%
Material
Methafilcon A
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