A nutritious diet, avoiding touching the eyes, nose, and mouth, and resting eyes every 20-30 minutes during study sessions are key to maintaining good vision in children.

I have 4 diopters of myopia and 1 diopter of astigmatism. Can surgery correct this? How effective is it, and is there a chance of recurrence after the procedure? (Ha Anh, TP HCM)

Red eyes can be caused by allergies, dry eyes, internal blood vessel ruptures, lack of sleep, or conjunctivitis.

Blurred vision and reduced distance vision can be warning signs of serious eye conditions such as cataracts, glaucoma, and macular degeneration.

Uncontrolled high blood sugar can increase the risk of eye diseases such as diabetic macular edema, diabetic retinopathy, and glaucoma.

My 23-year-old son experienced sudden blurred vision and was diagnosed with Leber's hereditary optic neuropathy. What is this disease? Is it dangerous and can it cause blindness? (Anh Thu, Hanoi)

Last year, I had surgery for a detached retina, and now I have cataracts. Can I have cataract surgery? (Ha Tam, Dong Nai)

Itchy eyes can stem from dry eyes or various medical conditions, including allergies, environmental irritants, and infections.

Vision decline can be due to natural aging, but it can also signal refractive errors or cataracts.

Blurry vision after cataract surgery can be due to the eye not yet adapting to the artificial lens, the lens being slightly dislodged, or complications.

Damaged retinal blood vessels can be a sign of diabetes or high blood pressure, while yellow patches on the eyelids may be due to high cholesterol.

Regular eye exams, managing diabetes, eating a healthy diet, and limiting screen time can protect your vision.

Wearing UV-blocking sunglasses, having regular eye exams, and managing blood sugar and blood pressure can help keep your eyes healthy and reduce the risk of cataracts.

Wearing the correct glasses, using eye drops, and regular massage can help reduce eye strain, dryness, and fatigue.