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While you sleep at night, night lenses correct your vision and, when you wake up in the morning, you can see clearly throughout the day.
Night lenses provide comfort and safety in the usual daily activities, active sports, and free time!
Corneal refractive therapy is also called a method of vision correction with orthokeratology lenses. The technique is widely known as night lenses.
The method is based on changes in the cornea's shape using a unique lens at night when the patient is asleep.
The result is a temporary improvement in vision that lasts for about a day. So these lenses should be worn every night.
The unique lens creates a precise and suitable for each patient indentation in the cornea during the night. In the morning, after removing the lens, changes in the cornea allow the beam of light to focus on the retina's correct point, providing the patient with adequate visual acuity.
Night lenses are intended for people with low to moderate myopia (up to -6.00 diopters) with or without astigmatism (up to -1.75 diopters).
To determine the patient's suitability or non-compliance with the use of night lenses, a specialist consultation is required, during which the anatomical parameters of each patient's eye are evaluated.
Frequently asked questions about night lenses:
In almost all patients, visual acuity stabilizes entirely within 10 to 14 days.
When starting to use night lenses, it should be taken into account that initially, especially in the first days, visual acuity improvement may be shorter and last only a few hours. When the lenses are used with each passing night, the effect lasts longer and longer during the day until a more lasting effect is finally achieved.
There are also cases in which patients maintain visual acuity for up to three days after using the lens overnight.
However, in children and adolescents whose eyes are still growing, night lenses should be worn every night for maximum treatment, even though vision persists for several days.
Night lens users have access to a variety of aids, such as moisturizing drops that improve the mobility of the lens in the eye and make it easier to insert and remove the lens and a special lens removal aid.
One of the great features of night lenses is that when you wake up in the middle of the night, the patient can move freely and see everything around you.
The use of night lenses is not painful and physical changes in the cornea are not noticeable; only visual improvement is evident.
Getting up in the morning:
During the day, the lenses are cleaned and disinfected with the help of liquid so that in the evening, the patient can safely put them back in the eyes.
The lifespan of night lenses with proper and appropriate care is one year.
There may be situations where it is necessary to replace the lens sooner, such as an inappropriate shot, scratching, disappearance, and patients can also purchase a separate lens.
Before using night lenses, it is necessary to consult a specialist; only an ophthalmologist or optometrist can determine a particular patient's suitability for night lenses.
Generally, patients with signs and symptoms of dry eye syndrome can wear night lenses and not experience any discomfort.
Because night lenses are used during sleep, tear evaporation is reduced, so in patients with dry eye syndrome, vision correction with night lenses may be particularly suitable.
Suppose a decision has been made to use night lenses. In that case, it is necessary to take into account a regular visit to a specialist - at first more often, later less often. The need for such visits is determined to monitor the correct positioning of the lens in the eye and the correction made at night.
Suppose the specialist is visited in order. In that case, the only thing that remains for the patient is to observe proper daily lens care and the necessary hygiene conditions to avoid the risk of infections.
If the patient follows all the instructions of the specialist, the risks are excluded.