Dry eye disease in summer days, causes and remedies

Dry eye disease in summer days, causes and remedies

Summer, high ambient temperature, bright light, regular air conditioning, … are the causes that make your eyes dry more easily. Immediately read the symptoms and prevention measures for Dry eyes

Symptoms Dry eye disease

Dry eyes are caused by an imbalance in the ability of the eyes to produce water and drain water. Dry eye is a tear film disorder. Tears act as lubricants and protect the surface of the eyeballs, but they are reduced in quantity and quality, unable to provide enough moisture to the eye.

Dry eye disease is a common manifestation of many people today, especially office workers who often have to sit in front of a computer screen. Dry eyes, though not too dangerous, will cause symptoms affecting health, living, and reduced productivity.

In the most severe cases, the patient may gradually lose vision. When the eyes are dry, patients often encounter the following manifestations: eyes that are stubborn, tingling, spicy, burning, hot, difficult to open, watery eyes, sensitive to light, heavy fatigue. Common manifestations are blurred vision after blinking, continuous tearing, white spots in the 2 eye sockets.

Dry eyes happen like?

The amount of tears released is not enough

The tear glands in and around the eyelids are responsible for the release of water to wet the eyes. This ability decreases with age, or people with eye disease. In addition, factors such as wind, weather, and environmental pollution also make eyes dry easily. Especially, those who frequently have to be in contact with computers will increase the evaporation rate of tears, leading to dry eyes.

The quality of tears is not good

The tear film consists of 3 layers: the fat layer, the water layer and the mucus layer. Together, these 3 layers protect the eyeballs from the external elements. The mucus layer helps to spread tears on the cornea, the fat layer limits the evaporation of water, keeps the eyes wet. Dry eyes are caused by water evaporating too quickly or the water cannot spread flat on the eye surface.

When these 3 layers are out of balance, it will speed up the evaporation of tears, causing dry eyes. In addition, some diseases can cause disturbances in the oily and mucus layers, which will also make the eyes more dry. Diseases such as blepharitis and rosacea can also prevent the mucus layer from producing water.

Causes of dry eyes

There are many causes of dry eyes, but the most common one is due to age, environment, living habits …

Age: The older the age, the less function of the tear gland. From middle age, the ability to produce tears is reduced by nearly 50% compared to when young.

Impact from the environment: Constantly in the environment full of smoke, dust, and smoke; hot dry air; Using fans or air-conditioning continuously … all cause dry eyes.

Living habits and professional characteristics: Exposure to electronic screens such as computers, phones, television … continuously for many hours a day or staying up late, not getting enough sleep will make eyes dry.

Hormonal changes: Postpartum women, pregnant or premenopausal women often experience dry eyes.

Side effects of eye surgery: These include Lasik surgery for refractive errors, Phaco surgery for cataracts or the habit of using contact lenses regularly.

How to prevent and treat dry eye disease

Food supplement: Eat foods rich in vitamins A, B and omega-3 that are good for your eyes, such as meat, fish, eggs, milk, dark green vegetables, and whole grains.

Drink enough water: Need to drink enough 1.5-2 liters of water per day.

Get enough sleep: Get 7-8 hours of sleep a day to rest your eyes.

Change living habits: Try to limit harmful habits such as rubbing your eyes with your hands, overexposure to computer screens and phones, using stimulants (alcohol, beer, coffee, cigarettes …).

Protect eyes from wind, dust: When traveling, wear sunglasses and protective glasses to protect against ultraviolet rays.

Eye massage: Practice the habit of blinking slowly and repeatedly to moisten the corneal surface. Massage and rest your eyes every 30 minutes.

Use artificial tears: Artificial tears have properties similar to those of natural tears, helping to improve dry eyes. The highly oily artificial tears not only replenish and maintain the moisture in the eyes, but also limit the water content of tears to evaporate. Should choose products that do not contain preservatives to limit unnecessary ingredients being introduced into the eyes, increasing safety for long-term use.

Principles of working with computers help to reduce dry eyes

Keep your eyes 10-20cm higher than the center of the computer screen.
– The minimum distance between the eyes and the computer screen is 50cm.
– Regularly blink, sometimes should close eyes tightly and rotate eyes to help regulate mucus better.
– Follow the 20-20-20 rule: Take a 20-second break with your eyes every 20 minutes and focus on an object about 20 feet away (about 6 meters).
– Regularly go to the nearest eye hospital for periodic examination.


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