Authentic Geo Contact Lenses (Good for 1 Year)

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The Food and Drug Administration (FDA) is warning consumers about
serious risks of permanent eye injury, potentially leading to blindness,
presented by non-corrective, decorative contact lenses distributed without
a prescription and without proper fitting by an eye care professional. FDA
has learned that these products are being marketed and distributed
directly to consumers through flea markets, convenience stores, and
beach shops. Marketing of decorative lenses may increase during the
upcoming Halloween season.

Decorative contact lenses present significant risks of blindness and other
eye injury if they are distributed without a prescription or without proper
fitting by a qualified eye care professional. FDA has received reports of
corneal ulcer associated with wear of decorative contact lenses in excess
of the recommended period. Corneal ulcer can progress rapidly, leading to
internal ocular infection if left untreated. Uncontrolled infection can lead to
corneal scarring and vision impairment. In extreme cases, this condition
can result in blindness and eye loss.

Other risks associated with use of decorative contact lenses include
conjunctivitis (an infection of the eye); corneal edema (swelling); allergic
reaction; corneal abrasion from poor lens fit; and reduction in visual acuity,
contrast sensitivity, and other visual functions, resulting in interference
with driving and other activities.

"Consumers should understand that decorative contact lenses, like
contact lenses intended for correcting vision, present serious risks to eye
health if they are distributed without a valid prescription and proper fitting
by a qualified eye care professional," said FDA Deputy Commissioner Dr.
Lester M. Crawford. “FDA will aggressively use the full range of its statutory
authorities to prevent the distribution of these potentially dangerous products
directly to consumers.”

FDA Warns Consumers Against Using Decorative CL

useful link: The fitting Process for contact lenses - what does the Doctor actually do?

A consumer guide to being fitted with Contact Lenses

So, you've just had your eyes examined and your eye doctor has given you a prescription. Can you use it to get contact lenses? The answer in most cases is NO.

The prescription you receive at the end of your exam is typically a prescription for eyeglasses only. An accurate prescription for contact lenses can only be issued after several steps are taken that are not included in a routine eye exam. If you are interested in contact lenses, be sure to let your doctor's office know at the time you schedule your appointment and they will set up a contact lens fitting in addition to your eye exam.

The contact lens fitting involves special measurements of the curvature of the front surface of your eye with an instrument called a keratometer. This gives your doctor a starting point for determining the proper curve and size for your contact lenses. (There are many to choose from.) Contact lenses that are too flat or too steep for the shape of your eyes will be uncomfortable and/or can cause damage to the front surface of the eye, the cornea. Your contact lens fitting may also include additional computerized measurements of your eyes that let your doctor see the curve of the entire front surface of your eyes. (The keratometer measures only a small area at the apex of the cornea.)

Many contact lens fittings include an evaluation of the tear film on the front of your eyes. If your eyes are too dry, contact lenses may not be for you. If your eyes are marginally dry, some contact lenses work better than others. Typically, if your eyes are dry you should moisten them frequently with artificial tears. Also, extended wear of contact lenses may not be possible. Your doctor will also carefully evaluate the health of the cornea with an instrument called a biomicroscope (also called a slit lamp). This is to make sure there are no other problems that could make contact lens wear difficult for you. It also gives your doctor a baseline from which he can monitor any changes to your eyes from contact lens wear.

Next, trial lenses may be applied to your eyes and evaluated with the biomicroscope to judge the fit of the lenses and how much they move with each blink. This step is also done at each follow-up visit in the fitting process. Sometimes, lenses that appear to fit fine when first applied can tighten up after several hours of wear. Checking the fit of your lenses several times is essential to ensure your lenses continue to fit properly and cause no adverse effects to the cornea.

Finally, a review of how long to wear your lenses and how to care for them is an important part of the contact lens fitting.
After your doctor is sure your lenses fit properly, provide satisfactory vision and comfort, and are causing no harm to your eyes, your final contact lens prescription can be written. It includes contact lens power (often slightly different than spectacle lens power), contact lens base curve, and diameter.

Follow-up Exams and Replacement Contact Lenses

After your contact lens fitting is complete (typically 3 or 4 office visits), you should have your eyes and contact lenses examined at least once per year. If you choose to purchase replacement lenses from a source other than where you received your contact lens fitting, be aware that you still need to have your eyes examined at least once per year. All contact lenses (no matter how well they fit or how new the are) reduce the amount of oxygen to the cornea and increase your risk for eye infections. Annual exams by an eye doctor are important to maintain the health of your eyes and avoid unnecessary complications from contact