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BeauA vision of -2.75 means that a person has myopia (nearsightedness). This measurement indicates the degree of refractive error in the eye, with higher numbers indicating more severe nearsightedness. It means that objects at a distance are blurry and may require corrective lenses to see clearly.
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What does 20 20 vision mean?
It means seeing at 20 feet what a person with normal vision sees at 20 feet. A person who has 20/40 vision can see at 20 feet what the person with normal vision sees at 40 feet, etc. Some people have better than 20/20 vision.
What does 20 100 vision mean?
Having 20/100 vision means that a person can see at 20 feet what someone with normal vision can see at 100 feet. This indicates poor visual acuity and may require correction with glasses, contact lenses, or surgery.
What does it mean to have 20 10 vision?
Having 20/10 vision means you can see at 20 feet what a person with normal vision can see at 10 feet. It indicates better than average vision and means you have sharper visual acuity.
What are central vision fringe vision and peripheral vision?
Central vision refers to the clear, detailed vision that occurs at the center of our field of view. Fringe vision includes the area surrounding central vision and provides some detail but less clarity. Peripheral vision refers to the outer edges of our vision field, detecting motion and objects in our surroundings but with limited detail.
What are the two types of vision?
The two main types of vision are central vision and peripheral vision. Central vision is focused vision that allows us to see details clearly, while peripheral vision detects motion and objects in our surroundings.
