Contact Lenses 101

Contact lenses are a great alternative to glasses.time for your eyes to adjust to. Because they
Many people who live an active lifestyle havecontain anywhere from 25% to 79% water, they
enjoyed the ease and convenience of contactsare more comfortable but less durable. Some also
now for many years. Today, there is anallow you to sleep in them. Soft contacts are
extensive choice to best fit your need.generally replaced more often than gas permeable
Contacts now have so many options; it maylenses. The life expectancy of soft contacts vary
seem a bit overwhelming to find the right pair forfrom once a day to once every few months.
you. In truth, there are a few things you shouldThis factor depends on upkeep and how sensitive
know when shopping for contacts. But when doneyour eyes are.
right, you will find much better prices and varietiesGas permeable lenses are made from a rigid
than your optometrist could provide.silicone which is considerably more durable and
After a visit to your eye doctor, you can ask forlonger lasting. In the long run, gas permeables are
a prescription of your eyes. This little sheet ofslightly more expensive up front but less
paper will tell you everything you want to knowexpensive over time since one pair will last a
about the shape, size, and power of your eyes.couple of years compared to soft contacts lasting
First, you will need to decipher the abbreviationsan average of around a month.
on your prescriptionA new craze today is color changing or enhancing
PWR: this is the strength in diopters your newcontacts. Some people add this feature to their
lenses must have in order to sharpen your sightalready existing prescription and some even buy
to an acceptable level.them simply for decoration. Color can come in a
BC: Known as back curvature, this numbervariety of intensities.
indicates the shape of your cornea and helps withTinted contacts have a visible tint meant to
overall fit and comfort.enhance the natural color of your eyes. this type
DIA: The distance in milliliters across your contactlooks best on light colored eyes.
lensesColor tints have an opaque solid color pattern
CYL: For those of you with astigmatism, thisaround the center of the lens which can
measures how advanced it is.dramatically change eye color. The color pattern is
AXIS: Also for astigmatism patients, this helps thebased off of natural color occurrences in the iris.
contacts correct the oval shape of your cornea.The center is clear so you can see. These lenses
ADD: For bifocal users, this will show the additionalcome in colors such as blue, hazel, green, and
strength in the section of your contacts used foreven violet.
reading or close viewing.Costume tints have been used in movies for
COLOR: If you have chosen contacts that willspecial eye effects and are now available to the
enhance or change your eye color, your desiredgeneral public. Options include white-out, spiral,
color will be shown here.cheetah, and alien. These are obviously not for
BRAND: If your doctor has prescribed a certaineveryone.
brand for you, in most cases, retailers areWith this information, shopping for the best
required to sell you only that brand.contacts can be a fun and rewarding experience.
Now that you know what your prescriptionYou are almost guaranteed a better price and
means, you can now shop for the best contactsmore ease than conventional ordering from your
for you, there are some things to note though.optometrist. The best way to find the best prices
After talking to your doctor, you should be awareis to browse around and compare prices. Be
if you need soft or gas permeable contacts.careful of scammers and stay with reliable
Soft contacts are quite common and take lesscompanies.