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Is it possible to sleep in contact lenses at night and during the day?

Probably, you sometimes do not remove lenses during sleep. What will happen if you fall asleep in them?.. Is it possible to sleep in contact lenses during the day and even at night? Are there any that you can leave on eyes at night? What are "night lenses"?

Why sleeping in contact lenses is dangerous

Sleeping in lenses that are not intended for this, that is, violating the manufacturer's wear mode (daily or prolonged), can be dangerous. It is also very important to observe the replacement period and all care rules for them. Unfortunately, neglect is fraught with complications and eye diseases.

Most brands belong to the daily wear mode, as they are the most popular with users. This means that they are put on in the morning, worn for about 12 – 14 hours a day, and removed in the evening. If they are one-day, then they are immediately thrown away, and lenses with a longer replacement period (2 weeks, 1 month, 3 months) are placed in a special container with a fresh batch of multifunctional storage solution to be cleaned and disinfected overnight.

Change them to a new pair strictly according to the manufacturer's recommendations (as a rule, every day / every two weeks / every month / every three months). But many people tend to miss these deadlines, allow daytime naps, or even don't remove their lenses at night, which can be dangerous to vision and eye health.

Is it possible to sleep and not remove lenses at night, the manufacturer determines first of all. This, in turn, depends on the material from which they are made.


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Designed exclusively for daytime wear.

They have a certain level of oxygen permeability, moisture, resistance to bacteria, fungi, and the formation of protein deposits. But due to the properties of the material during sleep, the cornea will not receive enough oxygen, which will negatively affect its metabolism. In addition, the eyes will experience dryness. Surely many of those who still sleep in lenses that are not intended for this, the next morning found redness, itching and other unpleasant symptoms. If you regularly leave them overnight in front of your eyes, dangerous inflammatory reactions can occur due to bacteria and deposits.

Silicone hydrogel

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Initially appeared as lenses in which you can sleep at night. Later, manufacturers began to release options for daily wear. That is, whether to shoot them at night depends on the manufacturer's recommendations. You can only wear lenses with extended wear, which marked on the box.

What kind of contact lenses can I sleep in

Many manufacturers present brands in which it is permissible to sleep 1 - 2 hours during the day. For example, two-week Acuvue Oasys contact lenses from the manufacturer Johnson& Johnson. But if you regularly fall asleep in them, and even more so do not take them off at night, then the period of wearing is reduced up to 7 days .

Considering that many do this despite the prohibitions, manufacturers have managed to create materials that allow the maximum amount of oxygen to pass to the eyes. Some brands have such a high oxygen permeability, as if there was nothing at all in front of our eyes. In addition, the latest biocompatible material has excellent wettability and moisture, as well as increased resistance to the formation of protein deposits.

All these properties make it possible to use contact lenses in flexible (that is, wear during the day and leave in front of your eyes for one or two nights if necessary), prolonged or even continuous wearing mode(not renting up to 30 days). For example, Air Optix Night&Day contact lenses or Pure Vision 2HD, which are designed for 30 days of continuous wear day and night.

In general, permanent wear lenses can all be used in a flexible manner. However, remember that this option is more risky, less safe than traditional daytime lens removal every night. It is not suitable for all users: people with particularly sensitive eyes or spending a lot of time at the computer may experience unpleasant symptoms of dryness, itching and a feeling of “sand in the eyes”.

The extended wear option is often more suitable. It will better protect the eyes from unpleasant consequences. But in any case, extended wear must be approved by an ophthalmologist. Before fitting, consider whether you need the opportunity to periodically sleep in lenses, and even if you doze off during the day for an hour, this should be reported doctor before selection. He will take into account your needs and advise the right brand, as well as give individual recommendations for wearing and care.

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