Varionet News
Reasons, causes and solutions for presbyopia
WHAT IS PRESBYOPIA AND WHEN TO WEAR GLASSES
You are over 40 years old, and maybe you noticed that when you read a newspaper, a book or your phone, you had some difficulty distinguishing the letters clearly? This is due to the appearance of a vision disorder . More precisely the presbyopia !
To be sure, it's very simple!
Myopia
The myopic eye
Myopia is a visual abnormality identified since antiquity by Aristotle. This is refractive disorder more common in the world . Some ophthalmologists even speak of a global epidemic: according to a study conducted by the University of Canberra (Australia) 90% of young students in developed countries in Asia are myopic against 30% in the 70s. This phenomenon is found all over the world, in the USA the population of myopes has increased from 25 to 45%.
The heatwave explained by Varionet
What is the heatwave?
A heat wave is defined as a level of very high heat during the day and night for at least three consecutive days . The definition of a heat wave is therefore based on two parameters: heat and duration.
What are the risks associated with the heat wave?
If you are exposed to high heat for too long you risk severe fatigue , dehydration or heat stroke , see hyperthermia .
The most fragile people and those most exposed to heat are particularly at risk .
Myopic and presbyopic, possible?
Visual fatigue affects the work of employees
Visual disturbances at work
8 out of 10 employees say they feel visual discomfort and eye disorders at work . Headaches, dry eyes, neck stiffness, glare and visual fatigue are the various symptoms. Many of them take up to 5 breaks per day to rest the vision. Of the more than alarming figures which endanger the eyesight of employees as well as the economy of companies.
5 tips and tricks to relieve tired eyes
No more dark circles
There are two types of dark circles, brown; linked to a natural overproduction of melanin. The eye contour is darker, in shades ranging from golden to brown. Hereditary, these dark circles are more common in Mediterranean skin.
And those more bluish; they are linked to poor blood circulation often induced by fatigue.
Protect yourself from eye allergies!
Spring is coming and with it beautiful flowers! these make the eyes happy for some but for others they are synonymous with eye irritation, dryness or allergies.
- What is an eye allergy?
eye allergy is a abnormal reaction happening at eye level. When in contact with an often foreign substance.
Why use degressive reading glasses?
Degressive glasses, complementary glasses for wearers of progressive lenses
Degressive reading glasses, also called proximity glasses, mid-distance or depth-of-field glasses, are the result of innovative glass technology. Indeed they make it possible to rediscover a clear and sharp vision over several distances:
THE BLUE LIGHT SEASON
Autumn or the season of blue light
The change of hours, the All Saints holidays, the days getting shorter are all signs to announce blue light season .
We come home from work, the children from school, it is 5 pm, the sun is already setting, night is approaching. Unlike the long summer evenings spent outside, autumn and winter send us back inside our homes face to face with our different screens , sources...
