Mai, 59, whose right eye had a grade one cataract 7 years ago, recently saw it progress to grade three due to aging. Surgery helped restore her vision.
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)
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.
