After the summer break, 9-year-old Phuong experienced blurry vision, eye strain, and watery eyes, leading doctors to diagnose a myopia increase of approximately mot diopter.

Chau, 7, wore corrective lenses but experienced intermittent clear and blurry vision with eye strain, prompting doctors to diagnose pseudo-myopia.

My 6-year-old child was diagnosed with astigmatism during an eye exam before starting first grade. Is this condition dangerous, and how is it treated? (Hue, 28, Ninh Binh)

Anh Dat, 29, who lost vision in his left eye as a child, recently experienced blurry vision in his right eye; doctors diagnosed retinal detachment caused by 6 diopters of myopia.

Sang, a 7-year-old child, frequently misreads words and has difficulty seeing; doctors diagnosed farsightedness complicated by amblyopia, with his right eye's vision reduced to just 1/10.