Dry Eyes
Dry and itchy eyes — How to choose artificial tears and hospital standards. - **Causes of dry eye:** - Decreased tear production - Increased tear evaporation - Imbalance in tear composition - **Symptoms of dry eye:** - Dryness - Itchiness - Burning sensation - Foreign body sensation - Blurred vision - **Types of artificial tears:** - Preservative-free artificial tears - Artificial tears with preservatives - Lubricating eye drops - Gel-based eye drops - **How to choose artificial tears:** - Consider the severity of your dry eye symptoms. - Choose a preservative-free formula if you use artificial tears frequently. - Consult with an ophthalmologist or pharmacist for personalized recommendations. - **Hospital standards for artificial tears:** - Artificial tears should be sterile and isotonic. - They should not contain any harmful ingredients. - They should be effective in relieving dry eye symptoms.
A national ailment in the age of smartphones.
When looking at the screen, blinking is reduced by half, leading to dry eyes. Symptoms such as dryness, a feeling of coldness, foreign body sensation, and eye fatigue in the evening are typical.
- Preservative-free, single-use artificial tears are safe for frequent use (more than 4 times a day).
- Contact lens wearers should check for "compatible with contact lenses" labeling.
- If you have been looking at a screen for 20 minutes, take a 20-second break to look at something in the distance, consciously blink, and using a humidifier can be helpful.
Source: 질병관리청 국가건강정보포털 · as of 2026-08-13
When you need to see an ophthalmologist.
- Even when using artificial tears, if you experience pain or your eyes are red and bloodshot.
- When your vision is blurry or lights appear to have halos.
- When there is excessive discharge from the eyelids in the morning, making it difficult to open them (possible conjunctivitis).
If dry eye symptoms are severe, you may receive stepwise treatment at an ophthalmology clinic, such as punctal plugs or prescription eye drops.
Frequently asked questions
Can I use artificial tears several times a day?
Preservative-free single-use artificial tears can be used as needed. It is not recommended to use bottle products containing preservatives more than 4-6 times a day for an extended period.
Does taking eye supplements (lutein) improve dry eye symptoms?
Lutein is a supplement for macular pigment and is not a treatment for dry eye. While some studies suggest that omega-3 fatty acids may be helpful, the effects are limited. If symptoms persist, an ophthalmological examination should be prioritized.
Sources for this page
· 질병관리청 국가건강정보포털 (as of 2026-08-13)Last checked: 2026년 8월 13일
Rules and costs can change. Before you make an important decision, check the official page for the latest information.