DAHLIA
DAHLIA
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Details
Details
Care guide
Care guide
How to choose your glasses?
- Round face - equal proportions in length and width.
- Oval face - often described as ideal, the oval face has balanced proportions.
- Square face - the width of your face is equal to its length, with a rather broad jawline and forehead.
- Rectangular face - this face shape is long rather than wide, with high cheekbones.
- Hexagonal face - in the shape of a diamond or rhombus, this face shape has fine features and cheekbones generally wider than the forehead and jawline.
- Downward triangle face - With a rather wide forehead, this face shape tapers to the jawline.
- Upward triangle face - with a rather narrow forehead, this face shape widens at the cheeks and jawline.
Sun lenses
There are several kinds of sun lenses. But in what do they differ?
Sunlight is made up of rays that are visible and invisible to the eye. Each ray is characterized by its wavelength. Sun lenses are intended to protect the eyes from UVA and UVB rays, which increase the risk of cataracts.
Therefore, sunlight can affect your vision as exposure to too much visible light can damage your retina and lead to permanent vision loss.
What are the different types of sun lenses?
- Mirror Lenses - These provide a fashionable look while protecting your eyes from sunlight. They exist in different colors, with a gray, brown or even green base.
- Plain tints - plain green, gray and black lenses have the advantage of not altering the color rendering. There are also plain brown lenses.
How is glare created?
The latter occurs when light reflects off shiny surfaces, such as the sea, a windshield, snow, or sand. This creates parasitic reflections which cause visual discomfort and glare. More specifically, while the light arriving vertically to the eye makes it possible to distinguish contrasts and colours, horizontal light creates parasitic reflections, because it is reflected on a surface.
Get your sunglasses!