👉 Vieira is a Portuguese word that translates to "sister" in English, referring specifically to the biological relationship between two individuals where one is a sister to the other, often through adoption or marriage.
👉 Vieira's syndrome, also known as hemianopia or hemianopsia, is a condition in which the visual field becomes distorted, often leading to blindness. It is caused by damage to the optic nerve, which sends visual signals from the retina to the brain. This can happen due to various factors such as aging, injury, infection, or genetic mutations.