Sunday, April 29, 2007

Contact Lens Fitting

Because contact lenses are in direct contact with the eye, they need to be fitted to the shape of the eye. Many factors can affect the type of lens you need to be fitted for, including purpose, Astigmatism, some colour, and other eye issues.

You cannot use your regular eyeglasses prescription to get contact lenses. To wear contact lenses, there are other special measurements that need to be taken. Like clothing and shoes, contact lenses are not 'one size fits all'. Also, size can vary depending on the manufacturer of the lenses.

You can wear contacts for many vision correction problems, even if you have had refractive surgery. Because the contour of the eye has been altered, the contact lens will need to be fitted again and may require a more specialized lens than normal.

Coloured contact lenses are fitted like normal lenses. Because of this, it may be possible to see some of the colour of the lens overlapping the pupil. This can be a problem for lens wearers who want opaque lenses. Because opaque lenses have a solid colouring to completely change the eye colour of the wearer, vision can be affected and limited when the pupil becomes larger, such as in dimly lit environments and while driving at night.

Discuss all of your contact fitting options with your eye care professional.

Please click HERE to visit our website for more info and to order contact lenses for DISCOUNTED price!

Do you how to read your soft contact lenses prescription?

A contact lenses prescription is not the same as an eyeglass (spectacles) prescription. In addition to your lens power, your contact leness prescription contains information relating the size of the lens to your eye. You may also find your prescription printed on the packing in which your contact lenses were supplied.

A typical contact lenses prescription looks like this :

Acuvue 2
Eye Power (Sphere) BC (Base Curve) DIA (Diameter)
OD - 2.50 8.7 14.0
OS - 2.00 8.7 14.0

OD = Right Eye OS = Left Eye

Find out how to read it and learn more about contact lenses! Click HERE to visit our website!

Saturday, April 28, 2007

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Contact Lenses Types

Today, contact lenses are small thin plastic disks designed to correct vision by changing the way the light enters the eye by altering the curvature of the cornea. The contact lens covers both the iris (colored portion of the eye) and the pupil (the dark center of the eye). Contact lenses correct mostly Myopia (nearsightedness), Hyperopia (farsightedness), Astigmatism (irregular shape of the cornea, causing skewed vision), and Presbyopia (caused by natural aging of the eye). Contact lenses are about the size of a button and are held in place on the eye by the eyes own natural tears.
Perfect and clear vision occurs when light entering the eyes through the cornea and converge at an exact point on the retina, or the back of the eyeball. Only about 4 in 10 people have this vision. Due to eye and cornea shape, size and distances, it may be necessary for vision to be corrected through the use of lenses.
Spherical and Aspherical Contact Lenses, Toric Contact Lenses, Bifocal Contact Lenses are the common types of contact lenses.
For more information in depth on contact lenses, click HERE to visit our website.