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Stony Brook

215 Hallock Road Suite 2

Stony Brook, NY 11790 United States

(631) 675-6909

Coram Office

3650 Rte 112, Suite 101

Coram, NY 11727 United States

(631) 732-0822

Westhampton Beach Office

200 Montauk Highway

Westhampton Beach, NY 11978 United States

(631) 283-0220

Southhold Office

44210 Route 48, Unit 1 P.O. Box 463

Southold, NY 11971 United States

(631) 765-3092

Riverhead Office

1224 Ostrander Avenue

Riverhead, NY 11901 United States

631-727-2858

Prisms

prism with rainbow

A prism has the same cross-section across the entire length of its shape. When used in eyeglasses, they often correct abnormalities associated with nearsightedness, farsightedness and double vision. Eyeglasses, or corrective lenses, reduce or increase the size of the image based on the eyes’ ability to see and focus, while prisms fool the brain into believing the eyes are working collectively by moving the image somewhat down, up, right or left. The geometric configuration permits light to be bent or mirrored in particular ways. Prisms are pounded into the lenses to show the image outside the span of sight and bring it into view so that it can be observed more closely.

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