Human cornea is aspheric. Aspheric is a curve that is getting flatter by dimension as it goes from the center to the radius. It is like a rugby ball. On the whole, it makes an elliptical form. Compared with this, the normal lens on market has the same curve from the center to the radius like baseball or soccer ball shape. The human eye is aspheric, but if the contact lens is spheric, it is quite obvious that the eye will feel uncomfortable. That can cause discomfort and conjunctivitis through long time wearing.
Your good choice for your eye's haelth
Lucid Extra lenses are the most precise aspheric lens designs in the world. These lenses are a proven design that can not only improve your vision with lenses, but help to smooth your cornea. If you currently wear aspheric GP lenses, Lucid Extra Aspheric lens will most likely improve your level of comfort and vision.
Characteristics of Aspheric Lens
It is an overall aspheric lens that does not contact the cornea but help the lacrimal cycle, so that it cannot cause something like swelling. It has a much wider optic zone so that the vision is very wide. There is no tear inundated so that the life span of the lens is much longer than a usual contact lens. People with high astigmatism can also wear it with comfort. People who have had discouragement with other lenses can easily try it on.
How Do Extra Aspheric Lenses Work?
Extra Aspheric Lens uses a constantly changing curve within the viewing area of the lens to provide you with improved near vision. These lenses also feature excellent surface quality that gives you the highest optic quality available. They can also help reduce the amount of astigmatism through your lens resulting in crisp visual acuity letting you see clearly all day. Thanks to its “True” Aspheric peripheral design, The edges of every lens are machined to allow easy and exact duplication of your lenses.
How Much Time Will It Take?
Aspheric lenses may require a few office visits to be fitted as they must be custom-ordered and fitted by your eye care specialist. Your personal motivation can greatly affect your success as there is a brief (1 day to 2 weeks) adaptation period in most cases.
How Long Can the Lenses Be Worn?
The lenses can be worn all waking hours. They are made of an advanced, Rigid, High Oxygen-Permeable material, which allows more oxygen to flow through the lens making your eyes to breathe freely.
Good Candidate for Extra Lens
- High myopia with High astigmatism
- People who suffer from the side effect of soft contact lenses
- People who need extended wear (over 8 hours)
- Dry eyes
Extra Lens from Reliable, High Qualitied Material
Extra Lens is made of Boston XO material, provided from Polymer Technology-Bausch&Lomb Company. Boston XO has high gas transmission (DK140) and good quality which is used in many countries.
Extra Lens Specification
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