Do you use contact lenses and want to know about how to place them in the eye? We recommend that if you want to get tips on putting contact lenses in the eye, read on.
Today, a large number of people around the world use soft contact lenses that have both medical and aesthetic aspects. These lenses have become very popular among people. With these lenses, a person can improve his or her field of vision without using glasses, and therefore they can do their daily activities, sports and competitions, etc. more easily.
But the important thing about contact lenses is to know how to put them in the eye, How to use them to avoid high-risk accidents following their use, you will learn more about these lenses in the following.
What is the meaning of soft contact lens?
a thin layer of plastic made of silicone hydrogel or hydrogel, which is placed on the outer layer of your eyeball called the cornea is called a soft contact lens.
It is said that these lenses are made of materials that are able to pass some oxygen through themselves, and Thus, it can be said that by using soft contact lenses, cornea will not face a lack of oxygen, also if these lenses are standard lenses and used properly, They will not damage the tissue and cells of the corneal layer.
How many types of soft contact lenses are there?
We said that doctors use soft contact lenses for various applications. It is said that there are different types of contact lenses for medical and cosmetic purposes. In some lenses, both aesthetic and medical features are considered in one lens.
Medical contact lenses:
Doctors prescribe medical contact lenses when they want to achieve one of the following goals in the patient:
- Myopia correction
- hyperopia Correction
- Correction of presbyopia and correction of astigmatism
Medical contact lenses are said to be very transparent and colorless and are stored in a special lens holder.
A little color tonnage of the preservative may be added so that these clear contact lenses can be well found in the liquid.
Colored contact lenses:
Sometimes a person uses only colored contact lenses to beautify the eyes without having vision problems or wanting to treat myopia, hyperopia, astigmatism and presbyopia. These lenses have no score.
In general, there are different types of contact lenses and soft contact lenses are just one of the types of lenses used in ophthalmology. These lenses, ie soft contact lenses, are sometimes also called hydrophilic lenses.
There are a wide variety of contact lenses. Soft contact lenses are very thin and fit perfectly on the surface of the cornea and are made of flexible plastic.
Because these lenses absorb a lot of water, they deliver more oxygen to the cornea. Among the types of contact lenses, we can mention the daily contact lens. This lens is the cheapest contact type of lens and should be removed at night and re-applied in the eye the next morning.
Another type of contact lenses can be used even at night when sleeping, But it is said that at least once a week we should remove them from the eyes and thoroughly disinfect and clean them.
It is said that there are lenses called disposable lenses, these lenses are more expensive, but their use is easier and better. These lenses are removed at night and re-inserted into the eye the next morning. These lenses are more suitable for people with allergies and for these people, it is recommended that these lenses be discarded once a week or once a month and replaced with a new lens. Contact lenses can be dual-focal and colored.
Apart from the most common type of contact lens, which was a soft contact lenses, we should mention other types of contact lenses.
Hard contact lenses are used in only one percent of people. They are made of hard plastic and provide a clear and precise view. One of the disadvantages of this contact lens is that it does not deliver enough oxygen to the cornea and instead of oxygen passing through the middle of the cornea, it passes around it. Hard lenses are difficult to match and it takes a few days for you to get used to it.
There are other types of contact lenses called A hybrid contact lens, this contact lens is used for people with astigmatism. It has a central area that is impermeable like hard contact lens material, and the area around the lens is light like soft contact lenses and it is made of thin plastic. A silicone hydrogel lens is a lens that hardens when dry and softens as soon as it comes in contact with water and takes on a jelly-like state. This lens is suitable for astigmatism and asymmetrical eyes.
What are the general characteristics of contact lenses?
Among the advantages and positive features of these contact lenses, we must say that one of the most important advantages of using contact lenses is ease of use, so that The person puts aside the glasses and gets rid of the foggy and steamy glasses. The person’s appearance becomes more beautiful and also with contact lenses the person with visual impairment can do sports activities without using glasses. contact lenses also frees you from glasses that put a strain on the bridge of the nose and ears.
Now that we have talked about the benefits and advantages of contact lenses, it is better to talk about their disadvantages, which can sometimes be very dangerous. You should know that if you use contact lenses and this lens is not well disinfected with standard materials, the risk of eye infection will be high. Contact Lenses that get old or do not fit properly on your cornea can cause corneal abrasions as well as damage and stretching of blood vessels.
Contact Lenses can warp and take on the shape of your cornea if you continue to use them. As a result, the fit of the lens on the cornea is very important. If you wear contact lenses, you should avoid using any eye drops arbitrarily. In other words, a person who has contact lenses on his or her eyes should not use any eye drops except the moisturizing drops prescribed by his or her doctor. We emphasize that improper use and placement of contact lenses can predispose your eyes to corneal abrasions and very dangerous infections.
Who should not wear contact lenses?
Doctors say there are people and cases that restrict the use of contact lenses.
- People who live in areas and neighborhoods that cannot quickly and easily access the ophthalmologist.
- People who cannot use lenses and preservatives and sterilizers, in other words, people who are unable to use and standard maintenance of the lens should not use contact lenses.
- People with severe dry eyes.
- People who have a history of corneal infection.
- People with a history of chronic inflammation and infection of the eyelids or chronic blepharitis.
- The climatic conditions and the region in which the person lives will not restrict the use of contact lenses.
But if you live in an area with a lot of air pollution, and you are in constant contact with factory smoke, dust, and air pollutants, as well as people who live in areas that are too hot or too cold, or people who live in the highlands, Due to the fact that the oxygen concentration in these areas is lower and despite the contact lens on the cornea, less oxygen will reach the corneal tissue and its cells. In these people, it is also recommended to use contact lenses only with a doctor’s prescription and according to the doctor’s instructions. In general, people living in the environments mentioned above will find it more difficult and dangerous to use contact lenses.
How long can we use contact lenses?
As mentioned above There are different types of contact lenses. it is certain that the duration of use of each of these lenses will be different. Daily contact lenses, whose characteristics is described above, should not be used for a long time. It is recommended that the maximum duration of use of soft contact lenses be eighteen hours a day, but this is not the case with long-term lenses.
These lenses are designed and built in such a way that you as a consumer can wear it continuously on the eye for a week, but it is recommended that at least once Take them out weekly and clean and disinfect them in the standard and correct way.
At what age can a contact lens be used?
It is said that any person, even young people and children under the age of twelve can use contact lenses according to the doctor’s prescription to correct refractive errors or achieve a more beautiful face. There is no age limit for using contact lenses. The only important thing that is mentioned about the appropriate age for using contact lenses is that the user must have the ability to understand and take responsibility for the proper maintenance of the lens, the correct placement and the correct use and disinfection.
What are some important features of prescribing contact lenses?
- Lens diameter size
- Lens type
- The curvature of the lens
- And how to insert the lens
And there are many other important factors that should be considered when prescribing contact lenses for any age. Anyone at any age, from children to middle-aged and elderly people can use contact lenses. Today, there are light, low-volume and non-allergenic products and if cared for properly, they can be used in the long run. Lenses can become clogged and problematic at any age.
Another point is that if doctors want to replace permanent contact lenses with glasses, this will only be possible in people over the age of 18, because people under the age of 18 do not have mature corneas. The cornea of these people is constantly changing, and as a result of these changes, there will probably be problems in matching the size of the lens and the cornea.
How to take care of contact lenses?
How to maintain the contact lens and place it correctly in the eye?
Pay attention to the following points By observing the following points, you can use contact lenses for a longer period of time without causing side effects. These points are as follows:
Regularly check the expiration date of the lens.
Do not use more than the allotted time for the lenses,
It is important not to use more than the allotted time for the lenses and many of these lenses will be unusable after this time.
if you are a person who uses medical contact lenses, if you experience symptoms such as:
red eyes and lacrimation, Eye pain, Discharge from Eyes, Blurred vision, Swelling and burning, You should remove the contact lens from the eye immediately and see your eye doctor immediately.
The fluid in which the lenses will be immersed is very important, so it is recommended to choose the correct standard lens holder and read and follow the lens washing and maintenance instructions carefully.
Failure to pay attention to these items may lead to Reduce the life of the contact lens and, worse, in some cases cause infections of the cornea and surrounding tissue, which can sometimes lead to infection at the cost of reduced vision or complete blindness and loss of the eye.
If you experience redness and irritation of the eyes after using contact lenses, you should not use that lens anymore. Because, as we have said, continued use of contact lenses can exacerbate corneal damage and scratches, leading to dangerous fungal eye infections and, as we have said, loss of your vision.
A very important point to note here is that if you wear contact lenses, you should see your eye doctor regularly and according to the schedule given to you by your doctor.
It is also important to follow these tips for people who use soft contact lenses for beauty, ie colored lenses. These people should also take the above-mentioned instructions really seriously. Colored lenses, like Medical-therapeutic lenses require proper maintenance. You should buy colored contact lenses from a reliable source and under the supervision and prescription of an ophthalmologist, and you should disinfect them properly before and after each use. Proper placement of hard contact lenses, medical lenses, and colored and aesthetic lenses will be very important.
How to insert a contact lens correctly?
In the following, the steps of putting the correct contact lens in the eye will be mentioned and explained to you.
Step 1 Wash your hands before using contact lenses, you should wash your hands before using any contact lenses. It is best to do this with lukewarm water and soap. after Washing, your Hands should be dried with a lint-free towel. The best way to dry hands is to use a dryer. Make sure that the detergent you use for hand washing, ie lotion soap or liquid handwash, does not come into contact with your contact lens. Remember that these materials will dry the lens if they come in contact with it, and as a result, your eyes will get scratches, sores, blurred vision and infection.
Next step, note that the lens should be removed with a finger that you are comfortable with, such as the index finger, and the lens should be placed on the index finger as a concave mirror. Note that you should never use your nails to do this, in other words The lens should be placed on the fingertip.
At this time, pay attention to the rupture of the lens and the presence of scratches and dust on the contact lens. If there is any of the above, the contact lens should be washed with special liquid.
The next step is to place the contact lens in your eye with the index finger and with the middle finger, with the index finger and with the middle finger of your other hand Draw the upper and lower eyelids. Use the index finger to pull the upper eyelid and the middle finger to lower the lower eyelid.
Place the contact lens on your other index finger in the form of a concave mirror in front of your eyes. Try not to stare at the lens and do not blink, as this will cause the lens to strike. Gently insert the lens into your eye. Make sure the lens is on the colored circle in the middle of the eye, and if necessary, when the lens is inside the eye, move it with your fingertip, with your fingernail and with the soft part of your fingertip. Lift your finger and move your eyes gently by holding the upper eyelid.
Now you can blink gently. If you feel pain and burning during these steps, you should remove the contact lens from the eye and rinse it well with lens fluid. And repeat the above steps in order. Some people will need to close their eyes for a few seconds. Be sure to do this.
If the lens is not well positioned yet, hold the index finger under your lower eyelid and try to place the contact lens. Repeat the above steps for your other eye. Try to have the contact lens on your eye for a few hours a day and whenever it feels your eyes are irritated or you have a problem, you should immediately remove the lenses from your eyes with a clean, washed hand and let your eyes rest.