Results for: Lens-vision

In Eyes

What does single vision lens mean?

A single vision lens offers vision correction in a single power.  This is different than a bifocal lens that offers correction in at  least two powers.
In Eyes

What type of lens is used to correct farsighted vision?

Convex lenses are thicker in the middle then the edges and concave are thicker at the edges then the middle. When light travels through lenses, refraction occurs. The light be (MORE)
In Eyes

What is a 1.57 mid index single vision lens?

1.57 mid index single vision lenses means that the lens is thinner than standard plastic lenses. It is not the thinnest possible, nor is it impact resistant like Trivex 1.53 m (MORE)
In Science

What type of lens is used to correct nearsighted vision?

Using concave lens the short sight problem could be rectified. Near sighted person cannot see the things far away. He can see things only so near to his eyes. The ray coming f (MORE)

What is the answer to 20c plus 5 equals 5c plus 65?

20c + 5 = 5c + 65 Divide through by 5: 4c + 1 = c + 13 Subtract c from both sides: 3c + 1 = 13 Subtract 1 from both sides: 3c = 12 Divide both sides by 3: c = 4
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