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.

Location

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Hours of Operation

Our Regular Schedule

Monday:

Closed

Tuesday:

10:00 am-7:00 pm

Wednesday:

10:00 am-7:00 pm

Thursday:

10:00 am-7:00 pm

Friday:

10:00 am-7:00 pm

Saturday:

10:00 am-3:00 pm

Sunday:

Closed

Testimonials

Reviews From Our Satisfied Patients

  • "Mac Donald Eye Care is a great practice! Dr. Mac Donald is so caring and professional--a really good eye doctor and good person. I come to her practice from McLean, passing many other offices to come to the best!"
    Kathy V. - Arlington, VA
  • "We took our twin 14-year-old sons to MacDonald Eye Care based on the excellent reviews here and elsewhere. The reviews are on the mark. Dr. MacDonald and her staff are very friendly and very patient. They really could not be nicer. Dr. MacDonald took her time fitting contact lenses for the boys and made sure they were comfortable putting them in and taking them out before leaving her office. Very highly recommended!"
    Arun M. -Washington, DC