Two-year-old Khoi, presenting with a squint, was diagnosed with retinoblastoma after doctors discovered large tumors in both eyes.

Duyen, 33, developed bloodshot eyes after a five-minute severe coughing fit; doctors diagnosed a ruptured capillary causing subconjunctival hemorrhage in her right eye.

Children with congenital cataracts often present with gray pupils or white spots inside, leading to vision impairment, but the condition can be effectively treated with surgery.

Ms. Nga, 50, experienced sudden bleeding in her left eye; during an examination, macular edema was also discovered, leading to medical intervention that restored her vision.

Minh Anh, 32, from Ninh Binh, asks: Why is one of my eyes good, while the other is blurry, sometimes requiring me to squint to see clearly, especially when reading small print or looking far away? What disease is this a symptom of, and how is it treated?

My 7-year-old child has astigmatism, but wearing glasses frequently causes eye strain, leading them to often remove them. Does this negatively impact their eyes? (Hai, 32, Hanoi)

Elevated blood sugar can silently damage the eyes by weakening small blood vessels in the retina, leading to vision loss.

Seeing halos around lights can be a warning sign of cataracts, glaucoma, or dry eyes.

Mr. Phu, 72, experienced poor vision and opaque white eyes, leading doctors to diagnose stage 3 cataracts.

Diabetes and glaucoma are hai silently progressing diseases that can cause severe vision damage if not detected early.

Hoa, 36, experienced severe vision loss in both eyes, with his right eye nearly blind; doctors diagnosed him with glaucoma.

My right eye has recently been frequently blurry, as if covered by a film, especially when reading small text or looking far away. What does this symptom indicate, and is it dangerous? (Minh Anh, Hai Phong)

Abnormally glossy eyes and a listless gaze can be symptoms of dry eyes, allergies, or other health issues.

A sudden increase in eye floaters, accompanied by flashes of light or vision loss, signals a need for an early eye examination.