Question

if a spectacle have been made for bind people to sense the surrounding, then tell me the 5-6 uses of such spectacle ?

Answer 1

Answer:

Visual impairment, also known as vision impairment or vision loss, is a decreased ability to see to a degree that causes problems not fixable by usual means, such as glasses.[1][2] Some also include those who have a decreased ability to see because they do not have access to glasses or contact lenses.[1] Visual impairment is often defined as a best corrected visual acuity of worse than either 20/40 or 20/60.[5] The term blindness is used for complete or nearly complete vision loss.[5] Visual impairment may cause people difficulties with normal daily activities such as driving, reading, socializing, and walking.

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