Anh Khang, 25, developed a painful eyelid abscess after a stye on his left eye ruptured.

Continuous tearing without crying can be a protective response to irritation, dry eyes, or a symptom of underlying medical conditions.

Warm compresses, eyelid hygiene, frequent blinking, adequate hydration, and omega-3 supplementation are simple ways to reduce dry eyes and limit irritation.

Pterygium is often benign and slow-growing, but if it continues to develop, it can cause astigmatism, reduced vision, and impact visual acuity.

Ms. Tuyet, 25, experienced orbital pain, headaches, and tearing; doctors diagnosed diffuse scleritis, a condition that can lead to vision loss.

Khang, 15, experienced red, painful, watery eyes, diagnosed by doctors as keratitis likely due to swimming in a public pool.

My 13-year-old child has 6 diopters of astigmatism, diagnosed as keratoconus. Can this disease be cured? (Nguyet, Vinh Long)

Seeing clearly only straight ahead, like looking through a tunnel, can be linked to glaucoma, retinal detachment, stroke, or migraine.

Seeing yellow spots in front of your eyes can be a temporary phenomenon, but it is sometimes a warning sign of an underlying eye or neurological condition requiring early examination.

Nhi, 22, experienced prolonged blurry vision; doctors diagnosed keratoconus, suspected to be caused by her habit of rubbing her eyes.

Recently, I've noticed many black spots floating before my eyes, and my vision is blurrier than usual. A recent eye exam revealed vitreous hemorrhage. Can this condition resolve on its own, or does it require treatment? (Minh Tran, Ha Noi)

Blurred vision in one eye can sometimes be a temporary symptom, but it may also signal retinal or optic nerve disease.

Washing hands frequently, avoiding touching eyes, and not sharing personal items help reduce the risk of pink eye infection.

Regularly viewing television and electronic devices in the dark can lead to blurred vision, eye strain, increased risk of myopia, and retinal damage.