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Frequent questions about orthokeratology?


Is orthokeratology permanent?

After treatment once maximum effect has been reached, the lenses should keep being used continuosly. There are patients that need to use the lenses every night, and others every second or third night. If the use id discontinued the cornea will revert back to its original form, and the original prescription before the treatment was started.


Should I still use glasses or contact lenses?

Once the ideal level of vision has been reached it is not neccesary to use ordinary contact lenses or glasses. It may be neccesary for patients who need reading glasses to use glasses for reading, or for other sporadic use, (such as night driving. During initial treatment, if the vision without correction doesn't last the whole day they will be provided with soft daily disposable contact lenses in order to maintain a correct vision.


Once treatment has been completed, what frequency should I use the lenses?

Most people should use the lenses every night in order to enjoy good vision without correction for the whole day. Patients with a low level of myopia may notice that they can achieve good results without using them every night, but this must be determined in each individual case.


What realistic level of reduction can be expected from using orthokeratology?

The ideal patient is one who has –4.00 diopters or less. Our optician will be in charge of adapting this type of contact lens, and analyse the viability of treatment in case of other prescriptions.


 And in cases of astigmatism?

The level of correction that can be achieved depends on the quantity and type. Our optician will be in charge of this type of contact lens and will analyse the viability of treatment in cases of other types of astigmatism.


How long does it take to see well without glasses?

Generally there is a noticable change in vision during the first few days of treatment, after which there is a period of stabilization in the following weeks. If the patient decides to return to using glasses, can the vision return back to its original state? The patients eyes will return to thier original state after a couple of days, in order to provide good vision during this transition, permeable or hydrofilic lenses will be adapted while the cornea returns to its original shape and prescription.


 If the myopia of the patient increases in the years that follow, what measures are taken?

Unlike laser surgery, that is irreversible, generally the corneas can be remodelled to adapt to the change in prescription by changing the design of the lenses


Can orthokeratology help children and adolescents?

Orthokeratology is used to control, or slow down the advancment of myopia. This means that this is a treatment highly recommendable in progressive low to mid myopias


What is included in the cost of the treatment orthokeratology?

In the treatment all of the necessary visits during the first year and the contact lenses for the treatment. During the first year, in case of loss or damage you can replace the lenses with a discount of 40%. After the first year, you only need to pay for the new lenses, the corresponding professional fees for the yearly check up, and the products for maintenance.


Keep reading > What is the orthokeratology and who can use it?

Advantages of the orthokeratology: vision, comfort and practicality.

 Orthokeratology allow you to have good vision without the need to undergo surgery, nor use glasses or contact lenses. Simply using contact lenses during the night, while you sleep.

Because you don't need correction during the day it is an ideal system for sportspeople, people who suffer from dry eyes when using contact lenses or for those people who wish to go without any correction during the day.

Orthokeratology is a treatment of special interest for young patients, because many different scientific studies have demonstrated the efficiency of this treatment in the control of the advancement of the myopia.


Advantages of the orthokeratology:


Without the need to wear contact lenses during the day.


They are used at night while you sleep and are comfortable right from the start


Ideal system for any type of sport


Ideal for people who don't wish to use contact lenses during the day.


Orthokeratology can be used to control, or slow down the advancement of myopia


reversible treatment, without the need to undergo surgery


Indicated for use in patients that suffer with ocular dryness with daily use contact lenses


This treatment is reversible, and without the need for surgery


Adverse effects:

With orthokeratology contact lenses it is very unusual to encounter problems with correct use, but as will all corrective treatments there exists the possibility that at some time some of the following symptoms may appear:

An increase in the sensation of a strange body 

Ocular irritation 

Unusual sensation from light

A pinching sensation, stinging or pain

Sudden worsening of vision 

Accumulation of ocular secretion 

Constant flow of tears

Blurred vision

Dry eyes


If any of the above symptoms are noticed, you should consult with our optician immediately to evaluate the continuation of treatment.

You should also avoid using orthokeratology contact lenses in case of:

inflammation, infection or ocular injuries, change in corneal sensitivity, pathological corneas, damage or illness in the cornea/eyelids.

Our optician will be in charge of adapting the treatment, and with this type of contact lenses there will be strict controls and maintenance in order to supervise and minimize risks of adverse effects.


Keep reading > FAQ about orthokeratology?

What is orthokeratology and who can use it?


the contact lenses orthokeratology, also called ORTOK, work at night so that you can see perfectly during the day.



Orthokeratology is a completely reversible, and safe treatment that enables you to have clear vision all day, without the need for glasses or contact lenses or corrective refractive surgery.

Orthokeratology basically consists in the treatment of myopic sight, although it can also be effective in hypermetropia and astigmatism.


How does orthokeratology work?

The contact lenses orthokeratology are used at night while you sleep. Over the night changes are produced in the cornea that allow the user to benefit from free vision during the day

The effects of the lenses are noticeable from day one, achieving maximum efficiency from a few days use.

As this is a completely reversible process, if you stop using the contact lenses, the cornea returns to its original position, for this reason it is important that to use this type of lenses in accordance with the following instructions:



Put in the contact lenses before you got to sleep
Rest all night
When you wake up you must remove them
Enjoy a full day without glasses or contact lenses


Who can use them?

Contact lenses for  orthokeratology are indicated for the temporary reduction of myopic vision, providing a greater visual capacity without any form of compensation optico.

The ideal paciente is one who has myopic vision of -4.00 diopters or less.  Our opticians will evaluate the viability of the treatment and the adaption for each patient, in case of different prescriptions or irregularities.


Keep reading> Advantages of the orthokeratology: vision, comfort and practicality?

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