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Last updated: November 26, 2024
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How to Measure Your Frame Size Glasses - How to Read Your Prescription Contacts - How to Read Your Prescription
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How to read your contacts prescription

How to enter your contacts prescription

OD is an abbreviation for the Latin term oculus dexter which means right eye. Notice that the right eye information is asked for first even though we typically read from left to right.

OS is an abbreviation of the Latin oculus sinister which means left eye. That will be referenced on the far right column of the prescription.

B.C. is short for base curve measurement indicates the back curvature of your contact lens, in millimetres. This is important for comfort, as the BC of your contact lenses should match your eye's natural curve as closely as possible to ensure a better fit when you are wearing your contact lenses.

DIA is short for "diameter," or the distance from one edge of the contact lens to the other. This is measured in millimeters.

SPH is short for sphere. The sphere of your prescription indicates the power on the lenses that is needed to see clearly. A plus (+) symbol indicates the eyeglass wearer is farsighted. A minus (-) symbol indicates that the eyeglass wearer is nearsighted.

CYL is short for cylinder. The cylinder indicates the lens power necessary to correct astigmatism. If the column has no value (is blank), it indicates that the eyeglass wearer does not have astigmatism. If this is the case on your prescription, you can leave it blank when entering it in.

AXIS is a prescription will include an axis value for those with astigmatism. This number represents the angle of the lens that shouldn't feature a cylinder power to help correct your astigmatism.

ADD is short for "additional correction." This is where details about bifocals, multifocal lenses or progressive lenses would appear.

X

How to read your glasses prescription

How to enter your glasses prescription

OD is an abbreviation for the Latin term oculus dexter which means right eye. Notice that the right eye information is asked for first even though we typically read from left to right.

OS is an abbreviation of the Latin oculus sinister which means left eye. That will be referenced on the far right column of the prescription.

SPH is short for sphere. The sphere of your prescription indicates the power on the lenses that is needed to see clearly. A plus (+) symbol indicates the eyeglass wearer is farsighted. A minus (-) symbol indicates that the eyeglass wearer is nearsighted.

CYL is short for cylinder. The cylinder indicates the lens power necessary to correct astigmatism. If the column has no value (is blank), it indicates that the eyeglass wearer does not have astigmatism. If this is the case on your prescription, you can leave it blank when entering it in.

AXIS is a prescription will include an axis value for those with astigmatism. This number represents the angle of the lens that shouldn't feature a cylinder power to help correct your astigmatism.

ADD is short for "additional correction." This is where details about bifocals, multifocal lenses or progressive lenses would appear.

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Measurements
If you already have a pair of glasses, you can compare the measurements to your current frame. Just look inside your temple to find your frame measurements. The overall frame size is a combination of lens and bridge's width measurements.
Lens Width Bridge Width Temple Length
XS < 42 mm < 16 mm <=128 mm
S 42 mm - 48 mm 16 mm - 17 mm 128 mm - 134 mm
M 49 mm - 52 mm 18 mm - 19 mm 135 mm - 141 mm
L >52 mm >19 mm >= 141 mm
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Calvin Klein CK19513

$99

$77
Special Order - Please allow additional time for processing
Crystal Dark Brown
M
55- 18- 145
Find my size Measure my PD
Measurements
If you already have a pair of glasses, you can compare the measurements to your current frame. Just look inside your temple to find your frame measurements. The overall frame size is a combination of lens and bridge's width measurements.
Lens Width Bridge Width Temple Length
XS < 42 mm < 16 mm < = 128 mm
S 42 mm - 48 mm 16 mm - 17 mm 128 mm - 134 mm
M 49 mm - 52 mm 18 mm - 19 mm 135 mm - 141 mm
L > 52 mm > 19 mm > = 141 mm
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Designer Sale
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Use code: DESIGNER40
About Calvin Klein CK19513
The CK19513 glasses by Calvin Klein exemplify modern sophistication with a strong yet lightweight metal frame. Established in 1968, Calvin Klein is renowned for its timeless designs and effortless style. These rectangular frames not only provide a sleek, polished look but also ensure durability and comfort for everyday wear. Ideal for the contemporary man, the CK19513 seamlessly combines functionality with high-fashion appeal, making them the perfect choice for any occasion.
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KITS Eyewear Membership Plan

KITS is excited to announce the launch of our new and exclusive KITS Eyewear Membership Plan. An inexpensive, fun, and easy way to grow your eyewear collection.

How it works:

Every 3 months you will receive a code via email that you can use to redeem a new pair of KITS frames for free. Simply pay for the shipping and any lens upgrades. You may use the code to score another pair for yourself or for your family members or friends too!

Hurry, the KITS Eyewear Membership Plan is limited to the first 500 signups.

How to qualify:

The KITS Eyewear Membership Plan is only available with the purchase of another pair of glasses. If you are a first-time customer, the first pair free promotion does qualify. Just use code FREEKITS at checkout.

Terms and conditions:

The KITS eyewear membership plan provides a unique code to your email every 3 months for one year (4 total). The plan is only available with another glasses order. The first code will be sent in the membership confirmation email, upon signup. The KITS Membership Plan is non-refundable and non-transferable; however, you may share your free glasses codes with your friends and family. Shipping and lens/frame upgrades are available at additional cost.

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Please choose your pupillary distance

Average for:

or

How to measure my pupillary distance?

Calvin Klein CK19513

Crystal Dark Brown
M
55- 18- 145
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