How many types of artificial tears are there? Which type is suitable for whom? What is the correct way to use it?
?? Check with Professor Wutthikun Dr. Sakchai Wongsakittirak. Academic Chair Royal College of Ophthalmologists of Thailand
The nature of our eyes requires “water” to nourish them. Plaster on the dark surface of the eye and the white of the eye at all times. To help with the refraction of light to allow the eyes to work more efficiently. See the picture more clearly
A condition where there is little fluid to nourish the eyeballs will cause the person to feel irritated, red, and dry eyes.
Solve the problem of “dry eyes” with artificial tears
Artificial tears are currently being used to treat dry eye problems.
In general, ‘artificial tears’ rarely have side effects or are harmful to the eyes. Therefore, artificial tears have been widely used. But if you have problems with eye irritation, eye stiffness, or very dry eyes, it is recommended that you first see an ophthalmologist to check that the
condition is not caused by other eye diseases, but only by dry eyes. Because if it is caused by various diseases, the root cause will be properly treated.
What are the causes of “dry eyes”?
The result of using a computer or mobile phone for a longer period of time including air pollution Whether it is PM2.5 dust that exceeds the standard It will cause the water that nourishes the eyeball to evaporate abnormally.
Another common cause is having a chronic disease or taking certain medications. But there is a side effect of causing less water to lubricate the eyeballs.
Types of artificial tears
‘Artificial tears’ can be divided into two types: those that must be used within 24 hours and artificial tears that come in eye drop bottles.
1. The type that must be used within 24 hours is pure artificial tears packed in a small tube that does not contain preservatives or substances to prevent bacteria from growing.
These types of artificial tears rarely irritate the eyes. The drops can be used more than 4-5 times
a day (as needed), making them suitable for people who have quite a lot of dry eye problems. And it is necessary to instill artificial tears several times a day.
2. Bottled artificial tears, eye drops Available in sizes ranging from 5-15 cc., these types of artificial tears contain a lot of preservatives or substances that prevent the growth of bacteria. Therefore, it can be stored for use after opening the bottle for 1 month.
The disadvantages of artificial tears that contain preservatives are: If the drops are applied to the eyes more than 3-4 times a day, they may cause irritation. Therefore, bottled artificial tears are suitable for people who have mild dry eye symptoms.
Using “artificial tears” correctly
The correct use of artificial tears is to use them cleanly.
When opening the bottle , you must not touch the inside of the bottle.
While instilling, must not touch the eyelashes or eyelids because there is a chance that germs can go back into the bottle.
In addition, storing “artificial tears” for
1 month should be stored in a normal refrigerator compartment. It will keep for about 1 month. If it exceeds that period, It is recommended to discard and replace with a new bottle, it will be safer.
Use your eyes correctly to prevent “dry eyes”
In addition to using artificial tears It is recommended to adjust the behavior of using the eyes, such as not looking at the eyes continuously for a long time. Avoid hot and dry areas. Including areas where air blows into the eyes.
Blinking properly 8-12 times per minute can naturally reduce the problem of dry eyes. In general, it is not recommended to always use artificial tears.
Artificial tears, cool formula and nourish eyesight Is it dangerous?
Currently, ‘artificial tears’ are available in many brands and formulas. Some types are mixed with various substances, such as substances that make the drops feel cooler. or pretending to mix nutrients or vitamins to benefit the eyes
Various substances mixed in artificial tears are considered A type of ‘foreign substa
nce’ that is placed on the cornea. Therefore, you should use artificial tears that have been certified by the Food and Drug Administration (FDA), Ministry of Public Health, Thailand, and should only be used when necessary. Because these substances may have negative effects on the eyes.
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Source: Thai News Agency