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Photochromic prescription glasses - page 158

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Photochromic prescription glasses - page 158

One of the options you have when choosing prescription glasses is photochromic lenses. These are lenses that darken in the sun or another source of UV light. Our offer includes photochromic prescription glasses for ladies, men and children. You can choose from various brands and timeless, but also stylish designs. Try them comfortably through your webcam.

How do photochromic glasses work?


The first model of lenses was made of glass in the 1960s. In the 1980s, glass ones were followed by plastic ones, which are still the most popular choice among glasses wearers.

Prescription glasses with photochromic lenses are an ideal choice for people who wear glasses all the time, do not alternate them with contact lenses. Their biggest advantage is that they reliably protect the eyes from UV radiation. The plus is that you don't have to buy dioptric sunglasses, too. Photochromic glasses have the same function. It doesn't matter if the lenses are clear or dark.

Advantages of photochromic prescription glasses


Photochromic prescription glasses are comfortable and cost less than prescription sunglasses. In addition, you can put lenses with this function in any frame, so you will have glasses exactly according to your style.

In addition to being practical and comfortable, they also reduce the risk of eye problems caused by harmful UV radiation. They can filter out more blue light and also protect you from glare.
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Size Guide

TIP #1: Check the size of your current glasses

  • Look at the inside of your glasses. Usually you´ll find a series of numbers there that represent the frame size and look something like this: 52 [] 22 145
  • Information about the size of the frame is most often found on the inside of the temples
Check the size of your current glasses

TIP #2: Use a payment card

S
M
L
THE CARD EXTENDS WELL PAST THE EDGE OF YOUR EYE
THE CARD FITS THE CORNER OF YOUR EYE
THE CARD DOES NOT REACH THE END OF THE EYE
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Face shape guide

What is your face type?

Good to know
If you think you have a face type similar to any of the ones listed and at least 2 main characteristics match, you’ve found a match!

Square shape

Square shape

  • Square jaw
  • The face has sharp edges
  • Forehead, cheekbones and jaw are almost equally wide
  • Face length is similar to its height
Heart shape

Heart shape

  • Widow’s peak hairline in the middle of the forehead
  • Pointier chin
  • The forehead and cheekbones are the widest
  • Narrow jaw
Round shape

Round shape

  • Face length is similar to its height
  • The jaw has no distinctive features, it is very rounded
  • Cheekbones are the widest on the face
Oval shape

Oval shape

  • The face is longer rather than wider
  • Cheekbones are more prominent
  • The forehead and jaw are rounded
  • No sharp/distinct features
Contact lenses guide

Diopter/Sphere (D/dpt./PWR)

Diopter/Sphere (D/dpt./PWR)

This value determines the power of the contact lens. Generally, spherical power is given in plus (+) values for farsightedness and minus (-) for nearsightedness. ATTENTION - the number of diopters of contact lenses may not match the diopters of your glasses.

Curvature (BC)

Curvature (BC)

The curvature of the contact lens indicates the curvature of the eye in millimeters and thus also how closely the lens adheres to the eye. Usually this dimension is between 8-10 mm. Lower curvature, e.g. 8.40, means that the lens is more curved and will “fit“ more tightly on the eye. A higher curvature value, e.g. 8.70 means that the lens is more flat.

Diameter (DIA)

Diameter (DIA)

This value indicates the diameter (or size) of the lens. Soft contact lenses have a wider diameter than hard contact lenses.

Cylinder (CYL)

Cylinder (CYL)

The cylinder value is important for making contact lenses for astigmatism. It describes the strength of astigmatism and has a minus value increasing in 0.25 increments that compensates for the curvature of the cornea.

Cylinder axis (AX)

Cylinder axis (AX)

The axis is the second important parameter in astigmatism. It indicates the exact position of curvature on the cornea in the range of 0° - 180°.

Addition (ADD)

Addition (ADD)

Addition is the value given if you suffer from presbyopia. It is the difference between the dioptric value for distance and the dioptric value for near. Values up to 1.25 are considered low (also referred to as “low“), up to 2.00 as average (“medium“) and until 3.00 for high (“high“).

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