Step-by-Step Glasses Size Guide
In this section, we will show you how to perform glasses measurements. But the first thing is to know what face shape you have. If you do not know, click here to have a check.
Then you need to know where to find the size measurement of your glasses. In general, you will find numbers that look like this 51-17-145 at the temples of your eyeglasses. Of course, these numbers come at different meanings.
The first number often refers to the lens width. Lens width is the horizontal diameter of the lens at its widest point. In optometry, another term is eye size.
The second number often means the bridge width. Bridge width is the part that joins the two lenses and sits over the nose. Some refer to this as the gap. The bridge width varies between 14 and 24 millimeters.
The third number often means the temple length. The temple is the arm that keeps the sunglasses on your face. That arm extends to the part that hangs on the ears. The length is usually 135, 140, or 145 millimeters.
Lens height measures the size of the lens vertically, that is from the top to the bottom of the lens. Although sizes may differ depending on the brand, the standard size is somewhere between 32 and 38 millimeters.
The frame materials
You should choose the driver's glasses with alloy materials. The glasses made of this material are light and strong, so your ears won't be uncomfortable when you wear them for a long time.
Disadvantages of Prism Glasses
Although prism glasses are mostly used for correcting binocular vision, they also have some disadvantages which are said by those who have worn them. They said they suffer from some discomforts, such as headaches, pain with eye movement, wandering eyes. Misaligned eyes, nausea, double vision, and more. In most cases, side effects can be corrected with an adjustment to someone’s lens prescription, eyeglasses frames or medication.
At the same time, you need to know that alignment is extremely important when wearing prism lenses. Prism lenses may be not efficient if they are misaligned. But they can be fixed with a professional adjustment. If you are experiencing any problems with new glasses or your old prism lenses stop working, contact your vision optometrist.
Why are titanium glasses so expensive?
Pure titanium can guide the electron wave to produce ions so that the current tends to ionize, and positive and negative ions can reduce the harmful effects of the body's biological current chaos caused by electromagnetic waves. To the human body, it has a great health care role. It avoids fatigue, muscle stiffness, soreness, and other symptoms or problems.
What to consider when buying eyeglasses?
The size of the frame should match the pupil distance so that the edge thickness of the lens is thinner and more comfortable to wear. The size should be proportional to the size of the face. The upper edge should not be higher than the eyebrow and the eyebrow should not be visible in the lenses. The shape of the frame should match the shape of the face and skin tone to meet aesthetic requirements. The rectangular face should choose a circular arc or arc transition frame. An inverted triangle face shape should choose one with a lower wide edge.
Silhouette Racing Collection 5502 BP 4540
With a metal frame and versatile blue, these Contour Racing series 5502 BP glasses will be your favorite glasses. The simple frame design ensures that these glasses are easy to repair. So you can wear it comfortably all day without enduring the endless squeezing and slipping of the substandard frame.
Advantages of Plastic Frames
Plastic is usually called a plate, having no skin allergies. The price is relatively cheap. Colors and styles are diverse. The color is rich, rich in shape. The injection molding material is higher dimensional stability of the whole batch, fast processing speed, and low comprehensive cost. Material prices are lower. It has a certain flexibility. TR material has high transparency. With high flexibility, it can meet the needs of different sizes. Plate material surface hardness is high. They need no surface treatment, having noble texture, wear-resisting. Suitable comfort change can be made according to different face sizes. It is the most mature material used in eyewear products of international apparel brands.
