Sudden blurry vision in one eye is especially concerning. In some cases, it may be considered a medical emergency and require ...

Many conditions can cause blurry vision in one eye, including refractive errors, viral or bacterial infections, and migraine. Learn how to treat it, and more.

If you have mild keratoconus in one eye, the vision changes can be very subtle. A small 2019 study found that in people with unilateral keratoconus, the seemingly unaffected eyes had cornea changes.

Elton John said he was recuperating from a severe eye infection that limited his vision in one eye, but that he was optimistic about his recovery. “Over the summer, ...