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RefractionA refraction is the part of the exam where the power of your eyeglasses are determined. This is done by an ophthalmic technician who uses a phoropter device in front of your eyes to test which power lenses give you the best visual acuity. |
Nashoba Valley Medical Office Building 190 Groton Road, Suite 240, Ayer, MA 01432 978.772.4000 |