Orthokeratology and sport: practice in complete freedom!
Orthokeratology, also called orthoK, is a branch of ophthalmology. It can be prescribed by an ophthalmologist or a contactologist. It
Night lenses, also known as orthokeratology contact lenses, are corrective lenses specially designed to reshape your cornea during sleep.
These rigid lenses are comfortable and highly oxygen-permeable.
However, not everyone is eligible to wear night lenses. Find out more about orthoK in our COP9 article.
Night lenses are primarily intended for people with myopia or astigmatism, but can also be used to correct other visual defects such as farsightedness or presbyopia.
They are generally made of rigid, oxygen-permeable materials, which allow the cornea to receive necessary oxygenation during the night.
Unlike traditional contact lenses, which must be worn during the day and removed at night, night lenses are worn while sleeping (wear time: 6 hours minimum) and removed in the morning.
They work by temporarily reshaping the cornea to correct visual defects and then provide you with optimal optical correction throughout the day.
Orthokeratology can be prescribed by an ophthalmologist or a contactologist.
Before you start wearing nighttime lenses, it is important to perform a complete eye exam (such as a corneal topography, funduscopic exam, etc.) to determine if you are a good candidate for this type of lens.
These exams will also accurately measure the diopter of each eye.
Certain eye conditions, such as keratoconus, cataracts or severe dry eye, may make nighttime lens wear unsuitable.
In our COP9 space, you will have access, thanks to our ophthalmologist Dr Stéphanie Zwillinger, to a complete treatment course.
Our contactologist will be at your side during the adaptation time for your night lenses.
OrthoK has many advantages, such as:
clear vision without having to wear glasses or contact lenses during the day;
a reduction in the progression of children myopia;
comfort and greater freedom of movement.
These lenses change the curvature of the cornea while you sleep and temporarily correct the field of vision without the need for prescription glasses or soft lenses.
However, it is important to note that some people may experience some discomfort at first.
Unlike soft lenses, prolonged nighttime lens wear can be difficult for some, but most adapt over time.
Finally, the renewal frequency is not binding: only a few months, according to the recommendations of our contactologist.
It is important to follow the instructions for use and maintenance of night lenses to avoid any risk of infection or eye irritation. Our contactologist is here to advise you!
Don’t forget to decontaminate your lenses before each use: wash your hands, then rinse them with a suitable care solution, do not use tap water.
A quick reminder for our readers who wear lenses: well-cleaned lenses will be more comfortable, promote oxygenation of your eye, and will prevent you from any risk of infection.
Also don’t forget to rinse your case with your cleaning product!
Night lenses can be worn by people with visual defects such as myopia, astigmatism, hyperopia or presbyopia. They are subject to a prescription and regular monitoring by an eye care professional.
They allow you to avoid carrying out refractive surgery, while offering you visual quality on a daily basis.
Orthokeratology is a practical and effective solution to correct visual defects during sleep and enjoy clear visual acuity throughout the day. Recommended by our COP9 team, do not hesitate to consult the articles below to find out more about orthokeratology and contactology!
Orthokeratology, also called orthoK, is a branch of ophthalmology. It can be prescribed by an ophthalmologist or a contactologist. It
Choosing the best type of contact lenses depends on many factors such as the type of visual defect, sensitivity of
The daytime management lenses are designed to correct myopia, while slowing the growth of the eyeball. Thanks to this new
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