联合医学研究杂志

抽象的

Symptoms of blindness.

Carmona

The inability to see anything, including light, is referred to as blindness. You have limited eyesight if you are partially blind. You may, for example, experience fuzzy vision or be unable to discern between the shapes of objects. You can't see anything if you're completely blind. Legal blindness is a condition in which one's vision is severely impaired.

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