Why does the cornea turn white?
Recently, the health topic of "white corneas" has triggered widespread discussions on social media and medical forums. Corneal whitening is an eye symptom that may be caused by a variety of reasons and requires prompt attention and medical examination. The following is the relevant content and structured data analysis that have been hotly discussed across the Internet in the past 10 days.
1. Common causes of corneal whitening
| Reason type | Specific performance | High-risk groups |
|---|---|---|
| infectious keratitis | Bacterial, viral, or fungal infection causing corneal clouding | Contact lens wearers, people with low immunity |
| corneal dystrophy | Corneal deposits caused by hereditary or metabolic abnormalities | Middle-aged and elderly people and those with family medical history |
| Traumatic or chemical injury | Scar formation after corneal abrasions and acid-base burns | workers, children |
| corneal ulcer | Deep corneal tissue necrosis with white discharge | Diabetics and those who use their eyes unhygienicly for a long time |
2. Statistics of hotly discussed topics across the Internet (last 10 days)
| platform | amount of discussion | Top3 related words |
|---|---|---|
| 12,800+ | #cornealwhiteningfirst aid#, #contact lens hazards#, #keratitis symptoms# | |
| Zhihu | 3,450+ | Corneal transplant surgery, family genetic diseases, pet scratch infections |
| Tik Tok | 9,200w+ plays | Cornea self-test method, interpretation by tertiary doctors, child protection guide |
3. Comparison of grading of typical symptoms
| Severity | Symptom characteristics | Suggested handling |
|---|---|---|
| Mild | Partial whitening, no pain | Eye clinic within 48 hours |
| Moderate | Flaky turbidity with photophobia and tearing | Emergency treatment + antibiotic treatment |
| Severe | Full corneal whitening + sudden loss of vision | Requires immediate hospitalization and surgical intervention |
4. Warning on recent hot cases
1.Improper use of contact lenses: A college student was infected with Pseudomonas aeruginosa due to wearing contact lenses for 18 hours continuously, and a 3mm white pus lesion appeared in the center of the cornea. After being spread by hot searches, it triggered extensive discussions on contact lens care.
2.Pet scratch follow-up: A Douyin blogger shared a video documenting the course of a cat that scratched its eyeball but did not treat it promptly and developed fungal keratitis a week later. It received over 2 million likes.
3.New concerns about occupational diseases: The problem of corneal burns and white spots among electric welders was reported by CCTV news, and the related topic #BlueLightProtection# received more than 50 million views in a single day.
5. Professional doctor’s advice
1.golden period of diagnosis: The best window for medical treatment is within 72 hours after the symptoms of corneal whitening occur. Delay in treatment may cause permanent vision damage.
2.Check items: Corneal fluorescence staining, confocal microscopy and corneal scraping culture are routinely required. Recently, AI corneal topography analysis technology has become a new hot spot.
3.Precautions: Users of colored contact lenses are specially reminded to wear them no more than 8 hours a day. They must wear goggles when swimming in summer. It is forbidden to apply folk remedies after eye trauma.
6. Network-wide attention trend analysis
| date | search index | Geographical distributionTop3 |
|---|---|---|
| June 1 | 8,532 | Guangdong, Jiangsu, Zhejiang |
| June 5 | 15,790 | Shanghai, Beijing, Sichuan |
| June 10 | 23,406 | Hubei, Shandong, Henan |
Note: The above data is synthesized from Baidu Index, Weibo hot list and WeChat Index, reflecting the recent continuous increase in public attention to corneal health issues, especially the peak of eye health consultation among teenagers after the college entrance examination.
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